The Cover,access, cataloged under National Stock Number 5340-00-119-3231, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions. Government technical data includes 20 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through both NSN and commercial part number lookups. 49 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-119-3231 |
| Primary Part Number | 740B |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| Status | ACTIVE |
| Distance From First Hole Centerline to End Along Width | 0.625 INCHES NOMINAL IN |
| Corner Radius | 0.625 INCHES NOMINAL IN |
| Length | 5.250 INCHES NOMINAL IN |
| Distance Between Holes Along Length | 4.062 INCHES NOMINAL IN |
| Flange Thickness | 1.000 INCHES NOMINAL IN |
| Inside Corner Radius | 0.265 INCHES NOMINAL IN |
| First Recess Inside Height | 1.000 INCHES NOMINAL IN |
| Distance Between Holes Along Width | 4.062 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | CIRCULAR RECESS |
| Securing Device Type | THREADED FASTENER |
| Pilot Diameter | 4.980 INCHES NOMINAL IN |
| Inside Diameter | 4.360 INCHES NOMINAL IN |
| Pilot Height | 0.500 INCHES NOMINAL IN |
| Distance From First Hole Centerline to End Along Length | 0.375 INCHES NOMINAL IN |
| Peripheral Shape Style | RECTANGLE, FOUR HOLES |
| Width | 5.250 INCHES NOMINAL IN |
| Material | STEEL |
| Inside Angle | 12.0 DEGREES NOMINAL |
| Hole Diameter | 0.562 INCHES NOMINAL IN |
| Body Thickness | 0.500 INCHES NOMINAL IN |
| 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 |
|---|---|
| 740B PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| 116613PC242 | 5/9 Secondary reference U.S. Government activity |
| 107513PC242 | 5/9 Secondary reference U.S. Government activity |
| 111012PC264 | 5/9 Secondary reference U.S. Government activity |
| 91013PC242 | 5/9 Secondary reference U.S. Government activity |
| 114728PC242 | 5/9 Secondary reference U.S. Government activity |
| 91128PC242 | 5/9 Secondary reference U.S. Government activity |
| 116328PC242 | 5/9 Secondary reference U.S. Government activity |
| 91028PC242 | 5/9 Secondary reference U.S. Government activity |
| 116313PC242 | 5/9 Secondary reference U.S. Government activity |
| 116728PC242 | 5/9 Secondary reference U.S. Government activity |
| 111128PC242 | 5/9 Secondary reference U.S. Government activity |
| 118213PC242 | 5/9 Secondary reference U.S. Government activity |
| 116221PC264 | 5/9 Secondary reference U.S. Government activity |
| 110913PC242 | 5/9 Secondary reference U.S. Government activity |
| 107121PC264 | 5/9 Secondary reference U.S. Government activity |
| 117513PC242 | 5/9 Secondary reference U.S. Government activity |
| 114713PC242 | 5/9 Secondary reference U.S. Government activity |
| 93028PC242 | 5/9 Secondary reference U.S. Government activity |
| 101013PC242 | 5/9 Secondary reference U.S. Government activity |
| 91219PC264 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-00-119-3231 is a Cover,access, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-119-3231 has 1 manufacturer part number on file: 740B (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).
2 possible matches (shared part number, not a government interchangeability claim): 6625-00-131-2765, 4730-00-446-2585. Verify interchangeability with system specifications before substitution.
Key specifications for 740B: Distance From First Hole Centerline to End Along Width: 0.625 INCHES NOMINAL IN; Corner Radius: 0.625 INCHES NOMINAL IN; Length: 5.250 INCHES NOMINAL IN; Distance Between Holes Along Length: 4.062 INCHES NOMINAL IN. 20 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.