The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-537-6089, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-537-6089 |
| Primary Part Number | 4491149-68SQ |
| Item Name | Screw,cap,socket Head |
| 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 |
|---|---|
| 4491149-68SQ | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 4491149-68 | 3/9 Design control — primary reference Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
NSN 5305-01-537-6089 is a Screw,cap,socket Head, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-537-6089 has 1 manufacturer part number on file: 4491149-68SQ (Naval Inventory Control Point Mechanicsburg).
Key specifications for 4491149-68SQ: Criticality Code Justification: ZZZY; Part Name Assigned by Controlling Agency: INNER MAST UPPER BEARING ASSEMBLY (DRAWING NAME); End Item Identification: MAST ANTENNA SYSTEM ANBRA34; 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.