The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-233-7774, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 15 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-233-7774 |
| Primary Part Number | 607-6015169 ITEM 9 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 0.312 INCHES NOMINAL IN |
| Fastener Length | 2.190 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN |
| Thread Length | 1.785 INCHES MINIMUM AND 1.999 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PATCH OR PELLET OR STRIP THREADS |
| Internal Drive Style | HEXAGON |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | NICKEL ALLOY K-500 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.872 INCHES MINIMUM AND 0.938 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 |
|---|---|
| 607-6015169 ITEM 9 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 607-6015169 ITEM 9 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| FF-S-86-TY4 | 4/1 Identification reference U.S. Government activity |
| 607-6015169 ITEM 9 | 5/9 Secondary reference Allen Mfg Co Sub of Chicago Pneumatic Tool Co |
| 9762075 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 607-6015169 ITEM 9 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-233-7774 is a Screw,cap,socket Head, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-233-7774 has 2 manufacturer part numbers on file: 607-6015169 ITEM 9 (Sps Technologies, Llc Dba PB Fasteners), 607-6015169 ITEM 9 (Naval Sea Systems Command).
9 possible matches (shared part number, not a government interchangeability claim): 5305-01-266-9215, 5305-01-286-6046, 5305-01-292-1388. Verify interchangeability with system specifications before substitution.
Key specifications for 607-6015169 ITEM 9: Width Across Flats: 0.312 INCHES NOMINAL IN; Fastener Length: 2.190 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN; Thread Length: 1.785 INCHES MINIMUM AND 1.999 INCHES MAXIMUM IN; Material Document and Classification: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 15 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.