PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

138244Screw,cap,socket Head

General Motors Corp · NSN 5305-00-013-8244 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-013-8244 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-013-8244. Primary manufacturer part number: 138244.
Features
  • Screw,cap,socket Head — FSC 5305
  • Minimum Yield Strength: 140000 POUNDS PER SQUARE INCH LBS
  • Thread Length: 1.250 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 16
  • Head Style: FLAT CHAMFER
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Material Document and Classification: QQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 630 or Steel Comp 4137 or Steel Comp 4140 or Steel Comp 4037 or Steel Comp 3135 or Steel Comp 2340 or Steel Comp 4340 or Steel Comp 8630 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-013-8244, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Corp. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-013-8244
Primary Part Number138244
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerGeneral Motors Corp
StatusACTIVE
Minimum Yield Strength140000 POUNDS PER SQUARE INCH LBS
Thread Length1.250 INCHES MAXIMUM IN
Thread Quantity Per Inch16
Head StyleFLAT CHAMFER
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.375 INCHES IN
Material Document and ClassificationQQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head Height0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Internal Drive StyleHEXAGON
MaterialSTEEL COMP 630 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 4037 OR STEEL COMP 3135 OR STEEL COMP 2340 OR STEEL COMP 4340 OR STEEL COMP 8630 OVERALL
Head Diameter0.553 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Hardness Rating36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
Fastener Length1.500 INCHES NOMINAL IN
Thread Class3A A
Width Across Flats0.312 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5306-00-377-6777 INTERCHANGEABLE
Bolt,key Head
Cross-Reference Index
Part NumberManufacturer
138244 General Motors Corp (USA)
138244 General Motors Llc Dba General Motors Llc (USA)
FFS86TYPE1STYLE11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
X5224 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
Related Parts
5306-00-377-6777INTERCHANGEABLE
BOLT,KEY HEAD

Frequently Asked Questions

What is NSN 5305-00-013-8244?

NSN 5305-00-013-8244 is a Screw,cap,socket Head, manufactured by General Motors Corp, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-013-8244?

NSN 5305-00-013-8244 has 4 cross-referenced part numbers: 138244 (General Motors Corp), 138244 (General Motors Llc Dba General Motors Llc), FFS86TYPE1STYLE11 (Federal Specifications Promulgated by General Services Administration Washington DC), X5224 (Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc).

What NSN replaces 5305-00-013-8244?

There is 1 known substitute for 5305-00-013-8244: 5306-00-377-6777. Verify interchangeability with system specifications before substitution.

What are the specifications of 138244?

Key specifications for 138244: Minimum Yield Strength: 140000 POUNDS PER SQUARE INCH LBS; Thread Length: 1.250 INCHES MAXIMUM IN; Thread Quantity Per Inch: 16; Head Style: FLAT CHAMFER. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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