The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-00-900-5212, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Nut,self-Locking,clinch |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445); Sps Technologies, Llc Dba PB Fasteners (CAGE 56878) |
| Parameter | Value |
|---|---|
| NSN | 5310-00-900-5212 |
| Primary Part Number | 496996 |
| Item Name | Nut,self-Locking,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| 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 |
|---|---|
| 496996 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 496998 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 496997 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 496997 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 496998 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 496997 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 496996 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 496996 | 3/9 Design control — primary reference Harvard Industries Inc |
NSN 5310-00-900-5212 is a Nut,self-Locking,clinch, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-900-5212 has 4 manufacturer part numbers on file: 496996 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 496998 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 496997 (Sps Technologies, Llc Dba PB Fasteners), 496997 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
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.