The Screw,machine, cataloged under National Stock Number 5305-01-087-7547, 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 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-087-7547 |
| Primary Part Number | 4491155 PC. NO 13 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | QUALITY ASSURANCE TESTED FOR SUBMARINE SAFETY PROGRAM |
| 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 |
|---|---|
| 4491155 PC. NO 13 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 4491155-G-13 | 3/9 Design control — primary reference Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
| 4491155-A-13 | 5/9 Secondary reference Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
| 4491155-G-13SQ | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 4491155-A-13SQ | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
NSN 5305-01-087-7547 is a Screw,machine, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-087-7547 has 1 manufacturer part number on file: 4491155 PC. NO 13 (Naval Sea Systems Command).
Key specifications for 4491155 PC. NO 13: End Item Identification: OHIO CLASS SSN (TRIDENT); SUBMARINE ANTENNA; Reference Number Differentiating Characteristics: QUALITY ASSURANCE TESTED FOR SUBMARINE SAFETY PROGRAM. 1 specification is 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.