The Bolt,lock, cataloged under National Stock Number 5340-01-653-9608, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-653-9608 |
| Item Name | Bolt,lock |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Surface Treatment Document and Classification | THERMAL SPRAY IAW AWS C2.23M/C2.23 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE |
| Material Document and Classification | BAR STEEL 4340 IAW SAE-AMS 6415 FOR SHAFT AND PLATE STEEL GR 50 IAW ASTM A572 FOR PLATE NATIONAL STD SINGLE MATERIAL RESPONSE |
| Material | STEEL |
| Thread Size and Series/type Designator | 1.250-12 2A UNF A |
| 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 |
| Reference | Meaning |
|---|---|
| 810051 | D/9 Drawing number reference only U.S. Government activity |
| 810051-304 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-653-9608 is a Bolt,lock, classified under FSC 5340, Hardware, Commercial. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5340-01-653-9613. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-01-653-9608: Surface Treatment Document and Classification: THERMAL SPRAY IAW AWS C2.23M/C2.23 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE; Material Document and Classification: BAR STEEL 4340 IAW SAE-AMS 6415 FOR SHAFT AND PLATE STEEL GR 50 IAW ASTM A572 FOR PLATE NATIONAL STD SINGLE MATERIAL RESPONSE; Overall Length: 6.307 INCHES NOMINAL IN; Special Features: BOTTOM OF SHAFT HAS 2 DRILLED HOLES POSITIONED 0.43 INCHES FROM END TO HOLE CENTER;1 HOLE IS 0.187 INCHES MIN/0.192 INCHES MAX DIAMETER AND 1 HOLE IS 0.505 INCHES MIN AND 0.515 INCHES MAX;SMALL HOLE LOCATED ON LEFT HAND SIDE END OF SHAFT AND LARGER HOLE LOCATED ON RIGHT HAND SIDE END OF SHAFT IN. 4 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.