The Fiberlock, cataloged under National Stock Number 5342-01-052-1023, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Defense Logistics Agency Dba Defense Supply Center Philadelphia. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-01-052-1023 |
| Primary Part Number | 01976-1 |
| Item Name | Fiberlock |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL POLYTETRAFLUOROETHYLENE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 01976-1 PRIMARY | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| Reference | Meaning |
|---|---|
| V3D10115 PIECE 15 | 5/9 Secondary reference U.S. Government activity |
| S3C10054 ITEM 8 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| S3C10053 ITEM 10 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| V2B10239TA | 5/9 Secondary reference U.S. Government activity |
NSN 5342-01-052-1023 is a Fiberlock, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-052-1023 has 1 manufacturer part number on file: 01976-1 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-072-2378, 5342-01-725-9888. Verify interchangeability with system specifications before substitution.
Key specifications for 01976-1: General Characteristics Item Description: MATERIAL POLYTETRAFLUOROETHYLENE. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.