NSN 5305-01-600-3538 · NIIN 016003538 · Part number 221-1191
Caterpillar Inc Div Caterpillar Defense · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 11083
Government record, cited
NSN 5305-01-600-3538 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-600-3538. Manufacturer of record part number: 221-1191.
Nearby stock numbers← 5305-01-600-3530 Screw, Cap, Hexagon Head
·
5305-01-600-3586 Screw, Cap, Hexagon Head →
5305-01-600-3538 — Screws
Features
Screw,cap,socket Head — FSC 5305
2 manufacturer part numbers on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 5305-01-600-3538
NIIN: 016003538
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 221-1191
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-600-3538, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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5305-00-001-5016 · Item name not on file
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5305-00-003-6694 · Item name not on file
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5305-00-003-6753 · Item name not on file
Frequently Asked Questions
What is NSN 5305-01-600-3538?
NSN 5305-01-600-3538 is a Screw,cap,socket Head, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-01-600-3538?
NSN 5305-01-600-3538 has 2 manufacturer part numbers on file: 26KP811 (Oshkosh Defense Llc), 221-1191 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 221-1191?
Key specifications for 221-1191: Part Name Assigned by Controlling Agency: STUD, SOCKET HEAD; End Item Identification: 2320-01-564-6882 HET (HEAVY EQUIPMENT TRANSPORTER). 0 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-600-3538 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.