The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-677-6642, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-677-6642 |
| Primary Part Number | 330-0807-140 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Width Across Flats | 0.062 INCHES NOMINAL IN |
| Head Height | 0.051 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN |
| Fastener Length | 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-DTL-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM F879 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | BUTTON |
| Thread Direction | RIGHT-HAND |
| Color | BLACK OVERALL |
| Surface Treatment | BLACK CHEMICAL FINISH OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNRC |
| Head Diameter | 0.201 INCHES MINIMUM AND 0.213 INCHES MAXIMUM 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 |
|---|---|
| 330-0807-140 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 330-0807 | 7/2 Vendor item drawing reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 330-0807-140 | 5/1 Secondary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
NSN 5305-01-677-6642 is a Screw,cap,socket Head, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-677-6642 has 1 manufacturer part number on file: 330-0807-140 (Sps Technologies, Llc Dba PB Fasteners).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-733-8903. Verify interchangeability with system specifications before substitution.
Key specifications for 330-0807-140: Width Across Flats: 0.062 INCHES NOMINAL IN; Head Height: 0.051 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN; Fastener Length: 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-DTL-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 17 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.