NSN 5305-01-540-5638 · NIIN 015405638 · Part number 03261-04
Defense Logistics Agency Dba Defense Supply Center Philadelphia · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 14153
Government record, cited
NSN 5305-01-540-5638 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-540-5638. Manufacturer of record part number: 03261-04.
Nearby stock numbers← 5305-01-540-5614 Screw, Cap, Hexagon Head
·
5305-01-540-5657 Screw, Cap, Socket Head →
5305-01-540-5638 — Screws
Features
Screw,cap,socket Head — FSC 5305
Width Across Flats: 0.125 INCHES NOMINAL IN
Head Height: 0.101 INCHES NOMINAL IN
Fastener Length: 0.500 INCHES NOMINAL IN
Thread Length: 0.500 INCHES NOMINAL IN
Nominal Thread Diameter: 0.190 INCHES IN
Head Style: PAN
Thread Direction: RIGHT-HAND
Identification
NSN: 5305-01-540-5638
NIIN: 015405638
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 03261-04
Manufacturer: Defense Logistics Agency Dba Defense Supply Center Philadelphia
General Description
The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-540-5638, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Defense Logistics Agency Dba Defense Supply Center Philadelphia. Government technical data includes 14 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5305-01-540-5638
Primary Part Number
03261-04
Item Name
Screw,cap,socket Head
FSC / FSG
5305 / 53 — Screws
Manufacturer
Defense Logistics Agency Dba Defense Supply Center Philadelphia
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5305-00-000-3831 · Item name not on file
Frequently Asked Questions
What is NSN 5305-01-540-5638?
NSN 5305-01-540-5638 is a Screw,cap,socket Head, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-01-540-5638?
NSN 5305-01-540-5638 has 2 manufacturer part numbers on file: 03261-04 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 93310A264 (Mcmaster-Carr Supply Co).
What are the specifications of 03261-04?
Key specifications for 03261-04: Width Across Flats: 0.125 INCHES NOMINAL IN; Head Height: 0.101 INCHES NOMINAL IN; Fastener Length: 0.500 INCHES NOMINAL IN; Thread Length: 0.500 INCHES NOMINAL IN. 14 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-540-5638 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.