Product Details | SOCKET HEAD CAP SCREW

5305-00-001-1837 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.

Part Alternates: GS551B3S6, 5305-00-001-1837, 00-001-1837, 5305000011837, 000011837

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 24 SEP 1972 00-001-1837

Drawings & Photos | NSN 5305-00-001-1837


Demand History | NSN 5305-00-001-1837

Part Number Request Date QTY Origin
5305-00-001-1837 2025-10-301 20 DIBBS
GS551B3S6 2025-05-139 13 DIBBS
GS551B3S6 2021-06-174 7 DIBBS
GS551B3S6 2020-09-268 4 DIBBS
GS551B3S6 2020-09-260 4 DIBBS
GS551B3S6 2019-04-105 3 DIBBS
GS551B3S6 2019-04-97 3 DIBBS
GS551B3S6 2019-01-30 10 DIBBS
5305-00-001-1837 2018-12-355 1 DIBBS
5305-00-001-1837 2018-12-339 1 DIBBS
5305-00-001-1837 2009-10-274 10 DIBBS
5305-00-001-1837 2009-09-251 10 DIBBS
5305-00-001-1837 2008-12-358 2 DIBBS
5305-00-001-1837 2008-10-277 4 DIBBS

Cross Reference | NSN 5305-00-001-1837

Part Number Cage Code Manufacturer
GS551B3S6 16941 LONG-LOK FASTENERS CORPORATION
GS551B3S6 26233 NYLOK CORPORATION DBA NYLOK WESTERN FASTENER DIV NYLOK
GS551B3S6 26512 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE

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Technical Data | NSN 5305-00-001-1837

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.190 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.250 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
FASTENER LENGTH 0.390 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH 125000 POUNDS PER SQUARE INCH
HEAD STYLE C50 FLAT COUNTERSUNK
HEAD DIAMETER 0.327 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE D1 CROSS RECESS TYPE 1
MANUFACTURERS CODE 26512
DESIGN CONTROL REFERENCE GS551B3S6

Restrictions/Controls & Freight Information | NSN 5305-00-001-1837

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 KE Naval ICP
Philadelphia, PA 19111
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 5305-00-001-1837

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each