The Screw,shoulder, cataloged under National Stock Number 5305-01-672-4662, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fastener Innovation Technology, Inc. Dba F I T. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5305-01-672-4662 |
| Primary Part Number | FCS9004S-4-5-B |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Fastener Innovation Technology, Inc. Dba F I T |
| Status | ACTIVE |
| Head Height | 0.308 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN |
| Fastener Length | 0.604 INCHES MINIMUM AND 0.614 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5518 ASSN STD SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| Material Document and Classification | ASTM-A-313 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5688 ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| Material Document and Classification | ASTM-A-493 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5636 ASSN STD SINGLE MATERIAL RESPONSE THREADS |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | KNURLED NO. 5 |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 302 SPRING |
| Material | STEEL COMP 301 PRIMARY WASHER |
| Material | STEEL COMP 302 THREADS |
| Thread Series Designator | UNF |
| Head Diameter | 0.531 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| FRBH07500-12-B-5 | Teachers Pet Inc (USA) |
| FCS9004S-4-5-B PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| KKF83AE | 7/2 Vendor item drawing reference Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
NSN 5305-01-672-4662 is a Screw,shoulder, manufactured by Fastener Innovation Technology, Inc. Dba F I T, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-672-4662 has 2 manufacturer part numbers on file: FRBH07500-12-B-5 (Teachers Pet Inc), FCS9004S-4-5-B (Fastener Innovation Technology, Inc. Dba F I T).
Key specifications for FCS9004S-4-5-B: Head Height: 0.308 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN; Fastener Length: 0.604 INCHES MINIMUM AND 0.614 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN. 19 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.