The Nut,plain,single Ball Seat,hexag, cataloged under National Stock Number 5310-01-022-7943, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hadco Engineering Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Nut,plain,single Ball Seat,hexag |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Hadco Engineering Inc (CAGE 0K9M4) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-022-7943 |
| Primary Part Number | 523434 |
| Item Name | Nut,plain,single Ball Seat,hexag |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hadco Engineering Inc |
| 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 |
|---|---|
| 523434 PRIMARY | Hadco Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| 4-70 | 5/9 Secondary reference Cleasby Mfg Co Inc |
| 523434 | 3/9 Design control — primary reference Axeline Industries Inc |
| 3055 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 4-70 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-022-7943 is a Nut,plain,single Ball Seat,hexag, manufactured by Hadco Engineering Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-022-7943 has 1 manufacturer part number on file: 523434 (Hadco Engineering Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-462-7838. Verify interchangeability with system specifications before substitution.
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.