The Nut,plain,cap, cataloged under National Stock Number 5310-01-446-6236, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-446-6236 |
| Primary Part Number | AA55629-303 |
| Item Name | Nut,plain,cap |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Width Across Flats | 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Nondefinitive Spec/std Data | 1 TYPE AND Y15 STYLE |
| Nut Height | 0.406 INCHES NOMINAL IN |
| Nut Style | CAP |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC POLYAMIDE NYLON OVERALL |
| Bearing Surface Type | WASHER FACED |
| 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 |
|---|---|
| AA55629-303 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| Reference | Meaning |
|---|---|
| MS24679-303 | 5/9 Secondary reference U.S. Government activity |
| A-A-55629 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
NSN 5310-01-446-6236 is a Nut,plain,cap, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-446-6236 has 1 manufacturer part number on file: AA55629-303 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-509-3973, 5310-01-686-1088. Verify interchangeability with system specifications before substitution.
Key specifications for AA55629-303: Width Across Flats: 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Thread Series: UNF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.190 INCHES IN. 11 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.