The Latch Set,mortise, cataloged under National Stock Number 5340-01-344-5901, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-344-5901 |
| Primary Part Number | 9M971-1 |
| Item Name | Latch Set,mortise |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE CASE |
| Material Document and Classification | QQ-A-591 ALLOY 380.0 FED SPEC SINGLE MATERIAL RESPONSE CASE |
| Bolt Type | SINGLE BEVEL NONREVERSIBLE |
| Action Type | SPRING |
| Surface Treatment | ANODIZE CASE |
| Material | ALUMINUM ALLOY 380.0 CASE |
| 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 |
|---|---|
| 9M971-1 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10113187 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| H2426-13 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-344-5901 is a Latch Set,mortise, manufactured by The Boeing Company Div Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-344-5901 has 1 manufacturer part number on file: 9M971-1 (The Boeing Company Div Defense).
Key specifications for 9M971-1: Surface Treatment Document and Classification: MIL-A-8625 TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE CASE; Material Document and Classification: QQ-A-591 ALLOY 380.0 FED SPEC SINGLE MATERIAL RESPONSE CASE; Bolt Type: SINGLE BEVEL NONREVERSIBLE; Action Type: SPRING. 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.