NSN 5305-01-169-9103 · NIIN 011699103 · Part number 638A544-1
General Electric Company · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 01289
Government record, cited
NSN 5305-01-169-9103 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-169-9103. Manufacturer of record part number: 638A544-1.
Material Document and Classification: B4A2F,CAGEC 01289 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter: 0.250 INCHES IN
Head Style: HEXAGON
Thread Direction: RIGHT-HAND
Identification
NSN: 5305-01-169-9103
NIIN: 011699103
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 638A544-1
Manufacturer: General Electric Company
General Description
The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-169-9103, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5305-01-169-9103
Primary Part Number
638A544-1
Item Name
Screw,cap,hexagon Head
FSC / FSG
5305 / 53 — Screws
Manufacturer
General Electric Company
Status
ACTIVE
Head Height
0.125 INCHES NOMINAL IN
Fastener Length
0.750 INCHES NOMINAL IN
Thread Length
0.438 INCHES NOMINAL IN
Material Document and Classification
B4A2F,CAGEC 01289 MFR REF SINGLE MATERIAL RESPONSE OVERALL
C/1Advisory reference — outside the item-of-supply concept
General Electric Company
No interchangeability data on file.
Other items in FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016
5305-00-001-5016 · Item name not on file
5305-00-001-9160
5305-00-001-9160 · Item name not on file
5305-00-001-9629
SCREW,ADJUSTING CLEVIS
5305-00-001-9742
5305-00-001-9742 · Item name not on file
5305-00-001-9768
SCREW,CAP,SOCKET HEAD
5305-00-003-4306
SCREW,MACHINE
5305-00-003-6694
5305-00-003-6694 · Item name not on file
5305-00-003-6753
5305-00-003-6753 · Item name not on file
Frequently Asked Questions
What is NSN 5305-01-169-9103?
NSN 5305-01-169-9103 is a Screw,cap,hexagon Head, manufactured by General Electric Company, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-01-169-9103?
NSN 5305-01-169-9103 has 2 manufacturer part numbers on file: 638A544 (General Electric Company), 638A544-1 (General Electric Company).
What are the specifications of 638A544-1?
Key specifications for 638A544-1: Head Height: 0.125 INCHES NOMINAL IN; Fastener Length: 0.750 INCHES NOMINAL IN; Thread Length: 0.438 INCHES NOMINAL IN; Material Document and Classification: B4A2F,CAGEC 01289 MFR REF SINGLE MATERIAL RESPONSE OVERALL. 12 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-169-9103 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.