The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-286-5973, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems. Government technical data includes 30 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-286-5973 |
| Primary Part Number | T66C1032CK1 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Plate Thickness | 0.020 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN |
| Nut Length | 1.051 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SHELL |
| Surface Treatment Document and Classification | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE NUT |
| Surface Treatment Document and Classification | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE CAP |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Precious Material | SILVER |
| Plate Width | 0.422 INCHES NOMINAL IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE SHELL |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.312 INCHES NOMINAL IN |
| Nut Height | 0.367 INCHES MINIMUM AND 0.397 INCHES MAXIMUM IN |
| Surface Treatment | SILVER NUT |
| Surface Treatment | PASSIVATE SHELL |
| Surface Treatment | SILVER CAP |
| Precious Material and Location | NUT AND CAP SILVER |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 SHELL |
| Material | IRON ALLOY 660 NUT |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 310 OR STEEL COMP M3 OR STEEL COMP 316 OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 323 OR STEEL COMP 324 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 384 OR STEEL COMP 385 CAP |
| Nut Mounting Provision | STRAIGHT HOLES |
| 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 |
|---|---|
| T66C1032CK1 | Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace (USA) |
| T66C1032CK1 PRIMARY | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| 717801681-001 | 7/2 Vendor item drawing reference Lockheed Martin Corporation |
NSN 5310-01-286-5973 is a Nut,self-Locking,plate, manufactured by Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-286-5973 has 2 manufacturer part numbers on file: T66C1032CK1 (Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace), T66C1032CK1 (Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems).
Key specifications for T66C1032CK1: Plate Thickness: 0.020 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN; Nut Length: 1.051 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SHELL; Surface Treatment Document and Classification: AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE NUT. 30 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.