The Nut, cataloged under National Stock Number 5310-01-485-7190, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-485-7190 |
| Primary Part Number | K5241-4 |
| Item Name | Nut |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| 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 |
|---|---|
| K5241-4 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 83361-428 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 4300365 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| WSLL9120-17-4 | C/1 Advisory reference — outside the item-of-supply concept Esna, Llc |
| WSLL9120-17-4 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-01-485-7190 is a Nut, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-485-7190 has 3 manufacturer part numbers on file: K5241-4 (Howmet Global Fastening Systems Inc), 83361-428 (Sps Technologies, Llc Dba PB Fasteners), 4300365 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for K5241-4: End Item Identification: F119. 0 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.