The Hook,door, cataloged under National Stock Number 5340-00-251-7974, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Stefanowicz & Lutz Inc Dba Merit Metal Products Corp. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-00-251-7974 |
| Primary Part Number | 14381-3.50 IN |
| Item Name | Hook,door |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Stefanowicz & Lutz Inc Dba Merit Metal Products Corp |
| Status | ACTIVE |
| Fastener Type | SCREW |
| Features Provided | SHOULDER STOP |
| Nondefinitive Spec/std Data | 1 TYPE AND 3.500 SIZE |
| Surface Treatment | LACQUER HOOK |
| Material | COPPER ALLOY HOOK |
| Joint Type | DOUBLE |
| 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 |
|---|---|
| 14381-3.50 IN PRIMARY | Stefanowicz & Lutz Inc Dba Merit Metal Products Corp (USA) |
| Reference | Meaning |
|---|---|
| MILH1214 | 4/1 Identification reference U.S. Government activity |
| G-1552-02-88 | 5/9 Secondary reference U.S. Government activity |
| G-1552-02-BB | 5/2 Secondary reference U.S. Government activity |
NSN 5340-00-251-7974 is a Hook,door, manufactured by Stefanowicz & Lutz Inc Dba Merit Metal Products Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-251-7974 has 1 manufacturer part number on file: 14381-3.50 IN (Stefanowicz & Lutz Inc Dba Merit Metal Products Corp).
1 possible match (shared part number, not a government interchangeability claim): 5340-00-290-0957. Verify interchangeability with system specifications before substitution.
Key specifications for 14381-3.50 IN: Fastener Type: SCREW; Features Provided: SHOULDER STOP; Nondefinitive Spec/std Data: 1 TYPE AND 3.500 SIZE; Special Features: OVERALL LENGTH:3.500 IN.; IN. 6 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.