The Cover,access, cataloged under National Stock Number 5340-00-765-3279, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Ametek, Inc. Div Aerospace & Defense. Government technical data includes 16 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-765-3279 |
| Primary Part Number | AH4098 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Ametek, Inc. Div Aerospace & Defense |
| Status | ACTIVE |
| FSC Application Data | ENGINE PRESSURE RATIO TRANSMITTER |
| Inside Width | 2.210 INCHES NOMINAL IN |
| Inside Length | 0.336 INCHES NOMINAL IN |
| Flange Thickness | 0.051 INCHES NOMINAL IN |
| Inside Corner Radius | 0.188 INCHES NOMINAL IN |
| First Recess Inside Height | 0.311 INCHES NOMINAL IN |
| Mounting Opening Shape Style | THREADED HOLE |
| Cross-Sectional Shape Style | SQUARE OR RECTANGULAR RECESS |
| Outside Diameter | 2.250 INCHES NOMINAL IN |
| Bolt Hole Centerline to Nearest Edge Distance | 1.125 INCHES NOMINAL IN |
| Features Provided | SEALING CAPABILITY AND OBSERVATION FACILITY |
| Securing Device Type | THREADED FASTENER |
| Surface Treatment | ANODIZE |
| Peripheral Shape Style | ROUND, ONE HOLE |
| Material | ALUMINUM ALLOY |
| Body Thickness | 0.025 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 |
|---|---|
| AH4098 PRIMARY | Ametek, Inc. Div Aerospace & Defense (USA) |
NSN 5340-00-765-3279 is a Cover,access, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-765-3279 has 1 manufacturer part number on file: AH4098 (Ametek, Inc. Div Aerospace & Defense).
Key specifications for AH4098: FSC Application Data: ENGINE PRESSURE RATIO TRANSMITTER; Inside Width: 2.210 INCHES NOMINAL IN; Inside Length: 0.336 INCHES NOMINAL IN; Flange Thickness: 0.051 INCHES NOMINAL IN. 16 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.