The Nut,self-Locking,single Ball Sea, cataloged under National Stock Number 5310-01-233-0599, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-233-0599 |
| Primary Part Number | TLN1021CPD1-7 |
| Item Name | Nut,self-Locking,single Ball Sea |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Width Across Flats | 0.502 INCHES MAXIMUM0.502 INCHES MAXIMUM 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 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Nominal Thread Size | 0.4375 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.494 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN |
| Ball Seat Radius | 0.496 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | SINGLE BALL SEAT, DOUBLE HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP XM-13 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 |
|---|---|
| TLN1021CPD1-7 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| TLN1021CPD1-7 | 5/9 Secondary reference U.S. Government activity |
| TLN1021CPD1-7D | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-233-0599 is a Nut,self-Locking,single Ball Sea, manufactured by Huck International, Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-233-0599 has 1 manufacturer part number on file: TLN1021CPD1-7 (Huck International, Inc).
Key specifications for TLN1021CPD1-7: Width Across Flats: 0.502 INCHES MAXIMUM0.502 INCHES MAXIMUM 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 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 14 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.