The Nut,plain,round, cataloged under National Stock Number 5310-00-033-3537, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5310-00-033-3537 |
| Primary Part Number | 306532 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Honeywell International Inc. Dba Honeywell International |
| Status | ACTIVE |
| Thread Series | UNF |
| Material Document and Classification | QQ-S-763,TYPE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Nut Diameter | 0.688 INCHES NOMINAL IN |
| Drive Point Depth | 0.125 INCHES NOMINAL IN |
| Nut Thickness | 0.281 INCHES NOMINAL IN |
| Drive Point Diameter | 0.131 INCHES NOMINAL IN |
| Drive Point Quantity | 2 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 303 OVERALL |
| 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 |
|---|---|
| 306532 PRIMARY | Honeywell International Inc. Dba Honeywell International (USA) |
| Reference | Meaning |
|---|---|
| 306532 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 5310-00-033-3537 is a Nut,plain,round, manufactured by Honeywell International Inc. Dba Honeywell International, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-033-3537 has 1 manufacturer part number on file: 306532 (Honeywell International Inc. Dba Honeywell International).
1 possible match (shared part number, not a government interchangeability claim): 5305-00-177-5780. Verify interchangeability with system specifications before substitution.
Key specifications for 306532: Thread Series: UNF; Material Document and Classification: QQ-S-763,TYPE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.312 INCHES IN. 13 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.