The Receptacle,turnlock Fastener, cataloged under National Stock Number 5325-00-442-6977, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-442-6977 |
| Primary Part Number | PLBM1 |
| Item Name | Receptacle,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Receptacle Overall Length | 1.125 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Center to Center Distance Between Mounting Holes | 0.875 INCHES NOMINAL IN |
| Mounting Style | PLAIN W/MOUNTING HOLE |
| Material Document and Classification | MIL-S-7947 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Turnlock Receptacle Style | RECEPTACLE |
| Receptacle Width | 0.625 INCHES NOMINAL IN |
| Turnlock Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Receptacle Height | 0.588 INCHES NOMINAL IN |
| Material | STEEL COMP 1075 OR STEEL COMP 1095 OVERALL |
| 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 |
|---|---|
| PLBM1 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| PLBM1 | 3/9 Design control — primary reference U.S. Government activity |
| PLBM-1 | C/1 Advisory reference — outside the item-of-supply concept Deutsch Co the |
| GR520BR2 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| PLBM-1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5325-00-442-6977 is a Receptacle,turnlock Fastener, manufactured by Huck International, Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-442-6977 has 1 manufacturer part number on file: PLBM1 (Huck International, Inc).
Key specifications for PLBM1: Receptacle Overall Length: 1.125 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Center to Center Distance Between Mounting Holes: 0.875 INCHES NOMINAL IN; Mounting Style: PLAIN W/MOUNTING HOLE. 11 specifications are 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.