The Nut,self-Locking,assembled Washe, cataloged under National Stock Number 5310-01-664-2127, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies Llc Dba PB Fasteners Div PB Fasteners. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5310-01-664-2127 |
| Primary Part Number | TLN1010CPD1-5 |
| Item Name | Nut,self-Locking,assembled Washe |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Washer Outside Diameter | 0.627 INCHES MAXIMUM IN |
| Width Across Flats | 0.419 INCHES MINIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Material Document and Classification | AMS 5737 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.3125 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | FLAT WITH TURNED UP EDGE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | IRON ALLOY 660 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 |
|---|---|
| TLN1010CPD1-5 | Huck International, Inc (USA) |
| TLN1010CPD1-5 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| TLN1010CPD1-5 | 5/2 Secondary reference U.S. Government activity |
| TLN1010CPD1-5 | 5/2 Secondary reference U.S. Government activity |
| TLN1010 | D/9 Drawing number reference only Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
NSN 5310-01-664-2127 is a Nut,self-Locking,assembled Washe, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-664-2127 has 2 manufacturer part numbers on file: TLN1010CPD1-5 (Huck International, Inc), TLN1010CPD1-5 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-664-7624. Verify interchangeability with system specifications before substitution.
Key specifications for TLN1010CPD1-5: Overall Height: 0.413 INCHES MINIMUM AND 0.433 INCHES MAXIMUM IN; Washer Outside Diameter: 0.627 INCHES MAXIMUM IN; Width Across Flats: 0.419 INCHES MINIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 13 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.