Product Details | SHOULDER BOLT

5306-01-027-2970 An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than No. 10 (0.190 IN.) (5 mm) and those items with an inserted drive head, use SCREW, SHOULDER. For items which are No. 10 (0.190 IN.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use BOLT, EXTERNALLY RELIEVED BODY. Excludes THUMBSCREW.

Part Alternates: S1110654D24, S11-1065-4D24, ST3M4944D24, ST3M494-4D24, VS32514D24, VS3251-4-D-24, PBF12634D24, PBF1263-4D24, 5306-01-027-2970, 01-027-2970, 5306010272970, 010272970

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 16 SEP 1976 01-027-2970

Drawings & Photos | NSN 5306-01-027-2970


Demand History | NSN 5306-01-027-2970

Part Number Request Date QTY Origin
PBF1263-4D24 2025-11-317 891 DIBBS
S11-1065-4D24 2025-11-317 891 DIBBS
ST3M494-4D24 2025-11-317 891 DIBBS
VS3251-4-D-24 2025-11-317 891 DIBBS
5306-01-027-2970 2025-09-253 60 United States
PBF1263-4D24 2024-02-46 157 DIBBS
S11-1065-4D24 2024-02-46 157 DIBBS
ST3M494-4D24 2024-02-46 157 DIBBS
VS3251-4-D-24 2024-02-46 157 DIBBS
PBF1263-4D24 2023-10-292 797 DIBBS
S11-1065-4D24 2023-10-292 797 DIBBS
ST3M494-4D24 2023-10-292 797 DIBBS
VS3251-4-D-24 2023-10-292 797 DIBBS
5306-01-027-2970 2019-07-203 42 SA
5306-01-027-2970 2017-08-228 987 DIBBS
5306-01-027-2970 2016-11-329 704 DIBBS
5306-01-027-2970 2010-04-118 619 DIBBS
5306-01-027-2970 2010-01-12 5 Singapore
5306-01-027-2970 2008-07-207 1419 DIBBS

Cross Reference | NSN 5306-01-027-2970

Part Number Cage Code Manufacturer
PBF1263-4D24 27624 SPS TECHNOLOGIES, LLC DBA PB FASTENERS
S11-1065-4D24 57928 SONIC INDUSTRIES INC.
ST3M494-4D24 0PTK6 SPS TECHNOLOGIES INC
ST3M494-4D24 76301 BOEING COMPANY, THE DBA BOEING
ST3M494-4D24 80539 SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP
ST3M494-4D24 K5673 SPS TECHNOLOGIES LTD TJ BROOKS DIVISION
VS3251-4-D-24 06950 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
VS3251-4-D-24 5M902 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
VS3251-4-D-24 92215 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS

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Technical Data | NSN 5306-01-027-2970

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM
FASTENER LENGTH 1.910 INCHES MINIMUM AND 1.940 INCHES MAXIMUM
MATERIAL IRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
HEAD STYLE C3 DISHED HEXAGON
HEAD HEIGHT 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
SHOULDER SHAPE ROUND FIRST SHOULDER
SHOULDER DIAMETER 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM FIRST SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER 1.722 INCHES MINIMUM AND 1.772 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE

Restrictions/Controls & Freight Information | NSN 5306-01-027-2970

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 573 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5306-01-027-2970

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALC
Price ValidationV The current standard price has been validated.
  • The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range.
  • The item was procured under open competition and under the competitive arena the price is considered fair and reasonable.
  • ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each
Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each