The Nut Assortment, cataloged under National Stock Number 5310-01-725-1561, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Entwistle Company Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Nut Assortment |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | The Entwistle Company Llc (CAGE 20722) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-725-1561 |
| Primary Part Number | KT-3070-18 |
| Item Name | Nut Assortment |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Entwistle Company Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| KT-3070-18 PRIMARY | The Entwistle Company Llc (USA) |
| Reference | Meaning |
|---|---|
| KT-3070-4 | D/9 Drawing number reference only The Entwistle Company Llc |
| KT-3070-4 ITEM 3 | C/1 Advisory reference — outside the item-of-supply concept The Entwistle Company Llc |
NSN 5310-01-725-1561 is a Nut Assortment, manufactured by The Entwistle Company Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-725-1561 has 1 manufacturer part number on file: KT-3070-18 (The Entwistle Company Llc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-725-4600. Verify interchangeability with system specifications before substitution.
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.