The Insert,self-Locking, cataloged under National Stock Number 5340-01-399-3448, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-399-3448 |
| Primary Part Number | 566-7067173-118L1 |
| Item Name | Insert,self-Locking |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR SUBSAFE ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 566-7067173-118L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 60-16-5062AL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 211015529L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 6404316 FN 203L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 0.250-20UNC-3AX0.500LGCRESL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 566-6404316 FIND 203L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| H625-0312-118L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 566-6404316 FIND 203 | 5/1 Secondary reference Naval Sea Systems Command |
| 211015529 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 0.250-20UNC-3AX0.500LGCRES | 4/1 Identification reference U.S. Government activity |
| H625-0312-118 | 5/1 Secondary reference U.S. Government activity |
| 60-16-5062A | 5/1 Secondary reference U.S. Government activity |
| 6404316 FN 203 | 5/1 Secondary reference Naval Sea Systems Command |
| 566-7067173-118 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 5340-01-399-3448 is a Insert,self-Locking, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-399-3448 has 7 manufacturer part numbers on file: 566-7067173-118L1 (Naval Inventory Control Point Mechanicsburg), 60-16-5062AL1 (Naval Inventory Control Point Mechanicsburg), 211015529L1 (Naval Inventory Control Point Mechanicsburg), 6404316 FN 203L1 (Naval Inventory Control Point Mechanicsburg), 0.250-20UNC-3AX0.500LGCRESL1 (Naval Inventory Control Point Mechanicsburg) and 2 more.
1 possible match (shared part number, not a government interchangeability claim): 5305-01-494-2401. Verify interchangeability with system specifications before substitution.
Key specifications for 566-7067173-118L1: Criticality Code Justification: ZZZY; End Item Identification: CYLINDER, ASSEMBLY-ACTUATING, LINEAR, HYDRAULIC; Reference Number Differentiating Characteristics: QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR SUBSAFE ITEMS. 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.