The Nut,sleeve, cataloged under National Stock Number 5310-01-333-2855, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Positronic Industries Inc Div Amphenol Military Aerospace Operations. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-333-2855 |
| Primary Part Number | 13H4-04-C28 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Positronic Industries Inc Div Amphenol Military Aerospace Operations |
| Status | ACTIVE |
| Nut Length | 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Nut Width Across Flats | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-B-622 COMP 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Nut Diameter | 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 2B |
| Thread Quantity Per Inch | 40 |
| Material | COPPER ALLOY 360 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 |
|---|---|
| 13H4-04-C28 | Positronic Industries Inc Div Amphenol Military Aerospace Operations (USA) |
| Reference | Meaning |
|---|---|
| 3925-17 | 5/9 Secondary reference Interconnection Products Inc |
| 9624C | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
| 532661-21 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-333-2855 is a Nut,sleeve, manufactured by Positronic Industries Inc Div Amphenol Military Aerospace Operations, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-333-2855 has 1 manufacturer part number on file: 13H4-04-C28 (Positronic Industries Inc Div Amphenol Military Aerospace Operations).
Key specifications for 13H4-04-C28: Nut Length: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Nut Width Across Flats: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN. 12 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.