The Screw,machine, cataloged under National Stock Number 5305-01-087-7548, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-087-7548 |
| Primary Part Number | 4491149-L-9SQ |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | QUALITY ASSURANCE TESTED FOR SUBMARINE ANTENNA APPLICATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 4491149-L-9SQ | Naval Inventory Control Point Mechanicsburg (USA) |
| 4491149-9SQ | Naval Inventory Control Point Mechanicsburg (USA) |
| 4491149-A-9SQ | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 4491149-9 | 5/1 Secondary reference Derbyshire Machine & Tool Co |
| 4491149-9 | 5/1 Secondary reference D. L. Martin Co. |
| 4491149-9 | 5/1 Secondary reference Delt Industries, Inc. |
| 4491149-9 | 5/1 Secondary reference Guill Tool & Engineering Co Inc Div Guill Defense |
| 4491149-9 | 5/1 Secondary reference Bek, Inc. Dba Level 1 Fasteners |
| 4491149-L-9 | 3/9 Design control — primary reference Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
| 4491149-9 | 5/1 Secondary reference Reimel Machine Inc |
| 4491149-9 | 5/1 Secondary reference U.s.a. Spares Inc. |
| 4491149-A-9 | 5/9 Secondary reference Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
| 4491149-9 | 5/1 Secondary reference Naval Sea Systems Command |
| 4491149-9 | 5/1 Secondary reference Scandia Manufacturing Co., Inc. |
NSN 5305-01-087-7548 is a Screw,machine, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-087-7548 has 3 manufacturer part numbers on file: 4491149-L-9SQ (Naval Inventory Control Point Mechanicsburg), 4491149-9SQ (Naval Inventory Control Point Mechanicsburg), 4491149-A-9SQ (Naval Inventory Control Point Mechanicsburg).
Key specifications for 4491149-L-9SQ: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: QUALITY ASSURANCE TESTED FOR SUBMARINE ANTENNA APPLICATION. 2 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.