The Retainer,assembled Nut, cataloged under National Stock Number 5340-01-565-5034, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Clark's Precision Machine and Tool Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-565-5034 |
| Primary Part Number | CPMTBNUT-101 |
| Item Name | Retainer,assembled Nut |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Clark's Precision Machine and Tool Inc. |
| Status | ACTIVE |
| Material | STEEL |
| 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 |
| Part Number | Manufacturer |
|---|---|
| CPMTBNUT | Clark's Precision Machine and Tool Inc. (USA) |
| CPMTBNUT-101 PRIMARY | Clark's Precision Machine and Tool Inc. (USA) |
| C21016-MLA | Mla Brass Llc (USA) |
| Reference | Meaning |
|---|---|
| C21016-1 | 7/2 Vendor item drawing reference U.S. Government activity |
| 5340PL1700657 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C21016 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-565-5034 is a Retainer,assembled Nut, manufactured by Clark's Precision Machine and Tool Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-565-5034 has 3 manufacturer part numbers on file: CPMTBNUT (Clark's Precision Machine and Tool Inc.), CPMTBNUT-101 (Clark's Precision Machine and Tool Inc.), C21016-MLA (Mla Brass Llc).
Key specifications for CPMTBNUT-101: Overall Length: 3.500 INCHES NOMINAL IN; Overall Width: 0.680 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: RETENTION CAGE, NUT; End Item Identification: A10. 1 specification is 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.