The Receptacle,turnlock Fastener, cataloged under National Stock Number 5325-01-054-5509, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5325-01-054-5509 |
| Primary Part Number | SL19648-8A1 |
| Item Name | Receptacle,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625A MIL SPEC ALL TREATMENT RESPONSES OVERALL A |
| Mounting Style | PLAIN W/MOUNTING HOLE |
| Material Document and Classification | QQ-A-282 7075-T6 FED SPEC 1ST MATERIAL RESPONSE OVERALL |
| Receptacle Width | 0.625 INCHES NOMINAL IN |
| Turnlock Mounting Hole Diameter | 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Receptacle Height | 1.572 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 7075 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 |
|---|---|
| SL19648-8A1 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| 53051 | Viba B.v. (NLD) |
| Reference | Meaning |
|---|---|
| 5325PL1677157 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 1244-8A1 | 5/9 Secondary reference Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok |
| 5325PL0729130 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C1244-8 | 5/9 Secondary reference U.S. Government activity |
| 53051 | 5/2 Secondary reference U.S. Government activity |
| C1244-8A1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5325-01-054-5509 is a Receptacle,turnlock Fastener, manufactured by Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-054-5509 has 2 manufacturer part numbers on file: SL19648-8A1 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), 53051 (Viba B.v.).
3 possible matches (shared part number, not a government interchangeability claim): 5315-01-186-7485, 3630-01-189-5509, 4320-01-374-4364. Verify interchangeability with system specifications before substitution.
Key specifications for SL19648-8A1: Surface Treatment Document and Classification: MIL-A-8625A MIL SPEC ALL TREATMENT RESPONSES OVERALL A; Mounting Style: PLAIN W/MOUNTING HOLE; Material Document and Classification: QQ-A-282 7075-T6 FED SPEC 1ST MATERIAL RESPONSE OVERALL; Receptacle Width: 0.625 INCHES NOMINAL IN. 8 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.