Nut, Self-Locking, Hexagon — NSN 5310-00-001-8167
Federal Supply Class 5310 · NIIN 000018167
Can a new source win this part?
DLA buys this part directly from the actual manufacturer.
Acquisition method 3 means DLA buys directly from the actual manufacturer, not through open competition.
Next step: Expect the buy to go to the sources already listed for this part. A new shop would usually need its own approved drawing and a source approval before it could win.
This reads DLA's own codes; the solicitation always governs. How AMC and AMSC codes work
DLA acquisition codes by managing service
| Service | Acquisition method (AMC) | Suffix (AMSC) |
|---|---|---|
| Department Of The Army | 3 — Acquire Directly From The Actual Manufacturer | L — The Annual Buy Value Falls Below The Screening Threshold Of $10, 000 |
| U.S. Coast Guard | 3 — Acquire Directly From The Actual Manufacturer | L — The Annual Buy Value Falls Below The Screening Threshold Of $10, 000 |
| Department Of The Air Force | 3 — Acquire Directly From The Actual Manufacturer | L — The Annual Buy Value Falls Below The Screening Threshold Of $10, 000 |
| U.S. Marine Corps | 3 — Acquire Directly From The Actual Manufacturer | L — The Annual Buy Value Falls Below The Screening Threshold Of $10, 000 |
| Department Of The Navy | 3 — Acquire Directly From The Actual Manufacturer | L — The Annual Buy Value Falls Below The Screening Threshold Of $10, 000 |
| Israel | Not set | Not set |
| Japan | Not set | Not set |
Who controls the design, and who is catalogued
| Part number | Company (CAGE) | Role in DLA's catalog |
|---|---|---|
| 258E391PC23 | Fluor Marine Propulsion, Llc Dba Knolls Atomic Power Laboratory (04241)Schenectady, NY | Design Control ReferenceNot Identify An Item Of Production Without The Use Of Additional Information |
| 590-363 | Zf Industrieantriebe Witten Gmbh (D9182)Witten, | Advisory ReferenceNot Identify An Item Of Production Without The Use Of Additional Information |
| 79NE083 | Esna, Llc (019L2)Pocahontas, AR | Secondary ReferenceNot Identify An Item Of Production Without The Use Of Additional Information |
| 79NE083 | Harvard Industries Inc (72962)Lebanon, NJ | Secondary ReferenceWas The Design Control Reference |
| SR A4 1/2 UNC | Zf Industrieantriebe Witten Gmbh (D9182)Witten, | Advisory ReferenceNot Identify An Item Of Production Without The Use Of Additional Information |
DLA catalog price
$4.23 per EA, effective 01-OCT-2026. This is DLA's catalog reference price, not a contract award price.
Need a shop that can make this part?
Send us the part number and solicitation number. We'll check which shops in the directory can realistically quote it.
Find a maker for 258E391PC23Source: DLA PUB LOG public cataloging data, release 2026-10-27. Proprietary and restricted items are excluded by DLA. MachineShop.Directory is not affiliated with DLA.