The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-272-6984, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Esna, Llc. Government technical data includes 25 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-272-6984 |
| Primary Part Number | F22NKA1-82 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Plate Thickness | 0.045 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Nut Length | 0.984 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 1,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 1,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE BASE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Plate Width | 0.406 INCHES MAXIMUM IN |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Center to Center Distance Between Mounting Holes Along Length | 0.686 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Nut Height | 0.403 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM NUT |
| Surface Treatment | CADMIUM BASE |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL NUT |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Material | STEEL BASE |
| Material | PLASTIC POLYAMIDE NYLON 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 |
|---|---|
| F22NKA1-82 | Apollo Aerospace Components Llc (USA) |
| F22NKA1-82 PRIMARY | Esna, Llc (USA) |
| 24NKA1-82 PRIMARY | Esna, Llc (USA) |
| 22NKA1-82 | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| 22NKA1-82 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 22NKA1-82 | 5/9 Secondary reference Harvard Industries Inc |
| 24NKA1-82 | 5/9 Secondary reference Harvard Industries Inc |
| F22NKA1-82 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-00-272-6984 is a Nut,self-Locking,plate, manufactured by Esna, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-272-6984 has 4 manufacturer part numbers on file: F22NKA1-82 (Apollo Aerospace Components Llc), F22NKA1-82 (Esna, Llc), 24NKA1-82 (Esna, Llc), 22NKA1-82 (Esna, Llc).
Key specifications for F22NKA1-82: Plate Thickness: 0.045 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Nut Length: 0.984 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 1,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE NUT; Surface Treatment Document and Classification: QQ-P-416,TYPE 1,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE BASE. 25 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.