The Cover,access, cataloged under National Stock Number 5340-01-183-9659, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-183-9659 |
| Primary Part Number | 7-317221473 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Inside Width | 3.580 INCHES MINIMUM AND 3.620 INCHES MAXIMUM IN |
| Flange Thickness | 0.063 INCHES NOMINAL IN |
| Bolt Circle Hole Quantity | 6 |
| Inside Corner Radius | 0.090 INCHES NOMINAL IN |
| First Recess Inside Height | 0.497 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-250/12,6061-0 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | SQUARE OR RECTANGULAR RECESS |
| Outside Diameter | 4.870 INCHES NOMINAL IN |
| Securing Device Type | SPECIAL |
| Bolt Circle Diameter | 4.375 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND, MULTI HOLES |
| Material | ALUMINUM ALLOY |
| Body Thickness | 0.063 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 7-317221473 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-317221473 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5340-01-183-9659 is a Cover,access, manufactured by The Boeing Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-183-9659 has 1 manufacturer part number on file: 7-317221473 (The Boeing Company).
Key specifications for 7-317221473: Inside Width: 3.580 INCHES MINIMUM AND 3.620 INCHES MAXIMUM IN; Flange Thickness: 0.063 INCHES NOMINAL IN; Bolt Circle Hole Quantity: 6; Inside Corner Radius: 0.090 INCHES NOMINAL IN. 13 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.
NSN 5340-01-183-9659 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.