The Frame,access Hole, cataloged under National Stock Number 5340-01-487-3580, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-487-3580 |
| Primary Part Number | 223541726-01 |
| Item Name | Frame,access Hole |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Mounting Method | THREADED HOLE(S) |
| Overall Thickness | 0.063 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR |
| Aperture Length | 10.000 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 5052 OVERALL |
| 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 |
|---|---|
| 223541726-01 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| 223541726-01 | Indra Sistemas, Sociedad Anonima (ESP) |
| Reference | Meaning |
|---|---|
| 223541726 | D/9 Drawing number reference only Lockheed Martin Corporation Div Rotary and Mission Systems |
NSN 5340-01-487-3580 is a Frame,access Hole, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-487-3580 has 2 manufacturer part numbers on file: 223541726-01 (Lockheed Martin Corporation Div Rotary and Mission Systems), 223541726-01 (Indra Sistemas, Sociedad Anonima).
Key specifications for 223541726-01: Mounting Method: THREADED HOLE(S); Overall Thickness: 0.063 INCHES NOMINAL IN; Style Designator: RECTANGULAR; Overall Length: 11.500 INCHES NOMINAL IN. 5 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.