The Cover,access, cataloged under National Stock Number 5340-01-055-9782, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Fnss Savunma Sistemleri Anonim Sirketi. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-055-9782 |
| Primary Part Number | 4177574-SX |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Fnss Savunma Sistemleri Anonim Sirketi |
| Status | ACTIVE |
| Flange Thickness | 0.625 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | MIL-A-46063 MIL SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | CIRCULAR RECESS |
| Outside Diameter | 15.000 INCHES MINIMUM AND 15.062 INCHES MAXIMUM IN |
| Bolt Circle Diameter | 13.624 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND, MULTI HOLES |
| Material | ALUMINUM ALLOY 7039 |
| Hole Diameter | 0.562 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4177574-SX | Fnss Savunma Sistemleri Anonim Sirketi (TUR) |
| Reference | Meaning |
|---|---|
| 4177574 | 3/2 Design control — primary reference U.S. Government activity |
| 4177574 | 8/1 NATO reproduction reference Fnss Savunma Sistemleri Anonim Sirketi |
NSN 5340-01-055-9782 is a Cover,access, manufactured by Fnss Savunma Sistemleri Anonim Sirketi, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-055-9782 has 1 manufacturer part number on file: 4177574-SX (Fnss Savunma Sistemleri Anonim Sirketi).
Key specifications for 4177574-SX: Flange Thickness: 0.625 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN; Mounting Opening Shape Style: UNTHREADED HOLE; Material Document and Classification: MIL-A-46063 MIL SPEC SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: CIRCULAR RECESS. 9 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.