The Lock,flush, cataloged under National Stock Number 5340-00-500-3552, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 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 | 5340-00-500-3552 |
| Primary Part Number | 5003552 REV A |
| Item Name | Lock,flush |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Design Type | LATCH BOLT |
| Thickness | 0.190 INCHES MINIMUM MEMBER IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| PS5003552 REV C | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| 5003552 | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| 5003552 REV A PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 5340-00-500-3552 is a Lock,flush, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-500-3552 has 3 manufacturer part numbers on file: PS5003552 REV C (Army, United States Department of the Dba Rock Island Arsenal Jmtc), 5003552 (Army, United States Department of the Dba Rock Island Arsenal Jmtc), 5003552 REV A (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
3 possible matches (shared part number, not a government interchangeability claim): 5315-01-053-3011, 5330-01-055-1207, 5307-01-324-8380. Verify interchangeability with system specifications before substitution.
Key specifications for 5003552 REV A: Design Type: LATCH BOLT; Special Features: LOCKING MECHANISM TYPE:BUTTON;MASTER KEY PROVISION:NOT INCLUDED;STEEL,CLASS B,GRADE 1 OR 2,SPEC MIL-S-13281,USED ON 75 MM PACK HOWITZER; MM; Thickness: 0.190 INCHES MINIMUM MEMBER IN. 2 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 5340-00-500-3552 has DEMIL Code B. 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.