The Catch,flush, cataloged under National Stock Number 5340-00-508-4927, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 3 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-00-508-4927 |
| Primary Part Number | 1JB5503-1 |
| Item Name | Catch,flush |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Length | 6.415 INCHES NOMINAL IN |
| Width | 0.650 INCHES NOMINAL IN |
| Material | UNABLE TO DECODE |
| 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 |
|---|---|
| 1JB5503-1 | Westinghouse Electric Corp (USA) |
| 46302-866-00-2 | Bae Systems Maritime Services Limited (GBR) |
| Reference | Meaning |
|---|---|
| 46302-866-00-2 | 5/9 Secondary reference British Aerospace Defence Systems Ltd T/a Bae Systems |
| 1JB5503H01 | 5/9 Secondary reference U.S. Government activity |
| H-9300-3 | 3/2 Design control — primary reference U.S. Government activity |
| 2JC2717-1 | 5/9 Secondary reference Westinghouse Electric Corp |
| 1JB5503H01 | 5/9 Secondary reference Westinghouse Electric Corp |
| 1JB5503-1 | 5/9 Secondary reference U.S. Government activity |
| 9543-6 | 5/9 Secondary reference U.S. Government activity |
| 2JC2717-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-00-508-4927 is a Catch,flush, manufactured by Westinghouse Electric Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-508-4927 has 2 manufacturer part numbers on file: 1JB5503-1 (Westinghouse Electric Corp), 46302-866-00-2 (Bae Systems Maritime Services Limited).
1 possible match (shared part number, not a government interchangeability claim): 5815-00-533-4366. Verify interchangeability with system specifications before substitution.
Key specifications for 1JB5503-1: Length: 6.415 INCHES NOMINAL IN; Width: 0.650 INCHES NOMINAL IN; Material: UNABLE TO DECODE. 3 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.