The Nut Spacer,plate, cataloged under National Stock Number 5310-01-445-3357, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 15 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 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 | 5310-01-445-3357 |
| Primary Part Number | 803-5773203-12.6.2 |
| Item Name | Nut Spacer,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Plate Thickness | 0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN |
| Nut Length | 0.771 INCHES MINIMUM AND 0.786 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Plate Width | 0.399 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.102 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN |
| Specification/standard Data | 80205-NAS1195 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Distance From Aperture Center to Mounting Hole Center | 0.278 INCHES MINIMUM AND 0.284 INCHES MAXIMUM IN |
| Center to Center Distance Between Mounting Holes Along Length | 0.560 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN |
| Thru-Hole Diameter | 0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | PLATE NUT SPACER |
| Material | STEEL CORROSION RESISTING OVERALL |
| Nut Mounting Provision | STRAIGHT HOLES |
| 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 |
|---|---|
| 803-5773203-12.6.2 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5310-01-445-3357 is a Nut Spacer,plate, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-445-3357 has 1 manufacturer part number on file: 803-5773203-12.6.2 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-445-3660. Verify interchangeability with system specifications before substitution.
Key specifications for 803-5773203-12.6.2: Plate Thickness: 0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN; Nut Length: 0.771 INCHES MINIMUM AND 0.786 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Plate Width: 0.399 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN. 15 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.