PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100A905076Screw,cap,socket Head

L3 Technologies, Inc. Div L3 Keo · NSN 5305-01-145-7521 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-145-7521 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-145-7521. Primary manufacturer part number: 100A905076.
Features
  • Screw,cap,socket Head — FSC 5305
  • Head Height: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
  • Thread Length: 0.533 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
  • Width Across Flats: 0.156 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Internal Drive Style: HEXAGON
  • Material Document and Classification: QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy 400 or Nickel Alloy R-405 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-145-7521, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3 Technologies, Inc. Div L3 Keo. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-145-7521
Primary Part Number100A905076
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div L3 Keo
StatusACTIVE
Head Height0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
Thread Length0.533 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Width Across Flats0.156 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Internal Drive StyleHEXAGON
Material Document and ClassificationQQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch32
Thread Class2A A
Nominal Thread Diameter0.190 INCHES IN
Head StyleFLAT CHAMFER
Fastener Length0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
MaterialNICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL
Head Diameter0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-865-165960-16-1672 INTERCHANGEABLE
Screw,cap,socket Head
Electric Boat Corporation Div General Dynamics Electric Boat
5305-01-052-1161AES14F500875BB3A11 INTERCHANGEABLE
Screw,cap,socket Head
The American Society of Mechanical Engineers
5305-01-143-6072 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-143-607690508 INTERCHANGEABLE
Screw,cap,socket Head
L3 Technologies, Inc. Div L3 Keo
5305-01-144-6016 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-145-7519100A905069 INTERCHANGEABLE
Screw,cap,socket Head
L3 Technologies, Inc. Div L3 Keo
5305-01-145-752290507 INTERCHANGEABLE
Screw,cap,socket Head
L3 Technologies, Inc. Div L3 Keo
5306-01-160-990331317 INTERCHANGEABLE
Bolt,internal Wrenching
Moog Inc. Dba Ampac-Isp Corp
5305-01-300-7335MS24677-3C INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-01-302-5218 INTERCHANGEABLE
Screw,cap,socket Head
Cross-Reference Index
Part NumberManufacturer
FF-S-86 TYPE VI Federal Specifications Promulgated by General Services Administration Washington DC (USA)
100A905076 PRIMARY L3 Technologies, Inc. Div L3 Keo (USA)
Related Parts
5305-00-865-1659INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
60-16-1672
5305-01-052-1161INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
AES14F500875BB3A11
5305-01-143-6072INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-143-6076INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
90508
5305-01-144-6016INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-145-7519INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
100A905069
5305-01-145-7522INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
90507
5306-01-160-9903INTERCHANGEABLE
BOLT,INTERNAL WRENCHING
31317
5305-01-300-7335INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
MS24677-3C
5305-01-302-5218INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-302-5219INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-311-7133INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
MS24677-108C

Frequently Asked Questions

What is NSN 5305-01-145-7521?

NSN 5305-01-145-7521 is a Screw,cap,socket Head, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-145-7521?

NSN 5305-01-145-7521 has 2 cross-referenced part numbers: FF-S-86 TYPE VI (Federal Specifications Promulgated by General Services Administration Washington DC), 100A905076 (L3 Technologies, Inc. Div L3 Keo).

What NSN replaces 5305-01-145-7521?

There are 12 known substitutes for 5305-01-145-7521: 5305-00-865-1659, 5305-01-052-1161, 5305-01-143-6072 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100A905076?

Key specifications for 100A905076: Head Height: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Thread Length: 0.533 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Width Across Flats: 0.156 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND. 14 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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