Nut, Plain, Octagon — NSN 5310-00-003-3888
Federal Supply Class 5310 · NIIN 000033888
Can a new source win this part?
A new source can compete only if it meets a specific condition.
DLA rates this part suitable for competitive buying for the first time. DLA's code says the part requires engineering source approval by the design control activity; an alternate source must qualify under that activity's procedures.
Next step: Confirm you can meet the condition above before quoting, and check the solicitation for how it applies to this buy.
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 Navy | 2 — Suitable For Competitive Acquisition For The First Time | C — Requires Engineering Source Approval |
Who controls the design, and who is catalogued
Design control: Northrop Grumman Systems Corporation (CAGE 79RG9, Jacksonville, FL).
| Part number | Company (CAGE) | Role in DLA's catalog |
|---|---|---|
| A51B20528-11 | Northrop Grumman Systems Corporation (26512)Bethpage, NY | Secondary ReferenceWas The Design Control Reference |
| A51B20528-11 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (61174)Saint Augustine, FL | Design Control ReferenceWas The Design Control Reference |
| A51B20528-11 | Northrop Grumman Systems Corporation (79RG9)Jacksonville, FL | Design Control ReferenceAn Item-Identifying Number |
DLA catalog price
$145.28 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 A51B20528-11Source: 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.