Product Details | SHOULDER SCREW

5305-00-293-4997 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 IN.) (1.5 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 designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.

Part Alternates: HS26234Z13X, HS2623-4Z13X, HT307413, HT307-4-13, ST3M559413, ST3M559-4-13, 66908H413, 66908H4-13, 5305-00-293-4997, 00-293-4997, 5305002934997, 002934997

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 22 SEP 1973 00-293-4997

Drawings & Photos | NSN 5305-00-293-4997


Cross Reference | NSN 5305-00-293-4997

Part Number Cage Code Manufacturer
66908H4-13 50394 SPS TECHNOLOGIES INC UNBRAKO DIV
HS2623-4Z13X 97928 HUCK INTL INC
HT307-4-13 73197 HI-SHEAR CORPORATION
HT307-4-13 C4293 ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH
ST3M559-4-13 76301 BOEING COMPANY, THE DBA BOEING

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Technical Data | NSN 5305-00-293-4997

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.372 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
FASTENER LENGTH 1.174 INCHES MINIMUM AND 1.260 INCHES MAXIMUM
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MAC PS13145,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C50 FLAT COUNTERSUNK
HEAD DIAMETER 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE D9 HIGH-TORQUE
SHOULDER SHAPE ROUND FIRST SHOULDER
SHOULDER DIAMETER 0.264 INCHES MINIMUM AND 0.265 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM FIRST SHOULDER
MANUFACTURERS CODE 73197
DESIGN CONTROL REFERENCE HT307-4-13

Restrictions/Controls & Freight Information | NSN 5305-00-293-4997

Category Code Description
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.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 713 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