The Insert,self-Locking, cataloged under National Stock Number 5340-01-508-4557, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-508-4557 |
| Item Name | Insert,self-Locking |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Material Document and Classification | ASTM D-4066 PAIII OR EQUIV ASSN STD SINGLE MATERIAL RESPONSE |
| Material | PLASTIC NYLON |
| 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 |
|---|---|
| V3D10354 ITEM 15 | 5/2 Secondary reference U.S. Government activity |
| V2B11772-NN | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-508-4557 is a Insert,self-Locking, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-508-4557: Material Document and Classification: ASTM D-4066 PAIII OR EQUIV ASSN STD SINGLE MATERIAL RESPONSE; Special Features: INSERT IS LOCKED IN AT ASSEMBLY WIT 300 SERIES STAINLESS STEEL SELF-LOCKING SET SCREW (P/N VSB110392-01); End Item Identification: SEAWOLF CLASS SSN, MANIFOLD 14V, LOADING BLOCK ASSEMBLY AND VIRGINIA CLASS SSN, PUMP CTRGL GP, LOADING BLOCK ASSEMBLY V; Material: PLASTIC NYLON. 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.
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.