The Nut,plain,knurled, cataloged under National Stock Number 5310-01-209-9871, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Div Mission Systems. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Nut,plain,knurled |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Hamilton Sundstrand Corporation Div Mission Systems (CAGE 26581); Swagelok Co (CAGE 3T9T9) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-209-9871 |
| Primary Part Number | 61-0073-804 |
| Item Name | Nut,plain,knurled |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hamilton Sundstrand Corporation Div Mission Systems |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 61-0073-804 PRIMARY | Hamilton Sundstrand Corporation Div Mission Systems (USA) |
| B-402-1K | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| B-402-1K | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 8-402-1K | 5/9 Secondary reference Swagelok Co |
NSN 5310-01-209-9871 is a Nut,plain,knurled, manufactured by Hamilton Sundstrand Corporation Div Mission Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-209-9871 has 2 manufacturer part numbers on file: 61-0073-804 (Hamilton Sundstrand Corporation Div Mission Systems), B-402-1K (Swagelok Co).
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.