The Cover,access, cataloged under National Stock Number 5340-01-175-5745, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-175-5745 |
| Primary Part Number | 5186990 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Length | 3.990 INCHES NOMINAL IN |
| Flange Thickness | 1.280 INCHES NOMINAL IN |
| First Recess Inside Height | 1.000 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | CIRCULAR RECESS |
| Pilot Diameter | 3.900 INCHES NOMINAL IN |
| Body Radius | 1.950 INCHES NOMINAL IN |
| Inside Diameter | 3.732 INCHES NOMINAL IN |
| Pilot Height | 1.000 INCHES NOMINAL IN |
| Bolt Circle Diameter | 4.100 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND, FOUR EARS AND HOLES, ONE LOBE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 5186990 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5342PL0985869 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| MIL-L-6080GRM | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5340-01-175-5745 is a Cover,access, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-175-5745 has 1 manufacturer part number on file: 5186990 (Naval Sea Systems Command).
Key specifications for 5186990: Length: 3.990 INCHES NOMINAL IN; Flange Thickness: 1.280 INCHES NOMINAL IN; First Recess Inside Height: 1.000 INCHES NOMINAL IN; Cross-Sectional Shape Style: CIRCULAR RECESS. 10 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.