The Nut Spacer,plate, cataloged under National Stock Number 5310-01-156-6434, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-156-6434 |
| Primary Part Number | 1321610 |
| Item Name | Nut Spacer,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Plate Thickness | 0.250 INCHES NOMINAL IN |
| Nut Length | 17.000 INCHES NOMINAL IN |
| Plate Width | 2.000 INCHES NOMINAL IN |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thru-Hole Diameter | 0.312 INCHES NOMINAL IN |
| Nut Style | PLATE NUT SPACER |
| Material | STEEL COMP 1020 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 |
|---|---|
| 1321610 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 1321610 | 5/9 Secondary reference Oshkosh Corp |
NSN 5310-01-156-6434 is a Nut Spacer,plate, manufactured by Oshkosh Defense Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-156-6434 has 1 manufacturer part number on file: 1321610 (Oshkosh Defense Llc).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-423-8737. Verify interchangeability with system specifications before substitution.
Key specifications for 1321610: Plate Thickness: 0.250 INCHES NOMINAL IN; Nut Length: 17.000 INCHES NOMINAL IN; Plate Width: 2.000 INCHES NOMINAL IN; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 7 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.