Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,PLATE
NUT,SELF-LOCKING,PLATE
5310-01-475-6850 FSC 5310
NSN 5310-01-475-6850 (also written 5310014756850; NIIN 01-475-6850) is a nut, self-locking, plate in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
R
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. The codes describe the item's status on record, not any one solicitation. What the codes mean
What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
Specifications
From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.
| Requirement | Value |
|---|---|
| THREAD CLASS AAJD | 3B |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| LOCKING FEATURE AAUM | PREVAILING TORQUE ALL NONMETALLIC DESIGN |
| OVERALL HEIGHT ABKW | INCHES MAXIMUM 0.745 |
| NUT HEIGHT ADEA | INCHES NOMINAL 0.235 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH CMLP | 28 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.250 |
| SPECIAL FEATURES FEAT | TWO MOUNTING HOLES LOCATED ON PLATE NOM. DIA 0.098 IN |
| MATERIAL MATT | SHELL IRON ALLOY 660 |
| MATERIAL MATT | NUT IRON ALLOY 660 |
| MATERIAL MATT | SEAL RUBBER FLUOROSILICONE CLASS FQ |
| MATERIAL MATT | WASHER IRON ALLOY 660 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | WASHER ASSN STD 1ST MATERIAL RESPONSE A-S 5525 OR ASSN STD 2ND MATERIAL RESPONSE A-S 5731 OR ASSN STD 3RD MATERIAL RESPONSE A-S 5737 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | NUT ASSN STD 1ST MATERIAL RESPONSE A-S 5525 OR ASSN STD 2ND MATERIAL RESPONSE A-S 5731 OR ASSN STD 3RD MATERIAL RESPONSE A-S 5737 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | SHELL ASSN STD 1ST MATERIAL RESPONSE A-S 5525 OR ASSN STD 2ND MATERIAL RESPONSE A-S 5731 OR ASSN STD 3RD MATERIAL RESPONSE A-S 5737 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | SEAL MIL SPEC SINGLE MATERIAL RESPONSE -IL-R-25988 |
| SURFACE TREATMENT SFTT | NUT PASSIVATE |
| SURFACE TREATMENT SFTT | SHELL PASSIVATE |
| SURFACE TREATMENT SFTT | WASHER PASSIVATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | NUT FED SPEC SINGLE TREATMENT RESPONSE QQ--35 QQ--35 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | WASHER FED SPEC SINGLE TREATMENT RESPONSE QQ--35 QQ--35 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | SHELL FED SPEC SINGLE TREATMENT RESPONSE QQ--35 QQ--35 |
Manufacturer part numbers
Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.
| Part number | CAGE | Manufacturer |
|---|---|---|
| 03A231G4-4L | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN COMPUTING SYSTEMS |
| F53004-4L4 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| NS202789G4-4E | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA |
What it pays — so you can quote
The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.
Latest unit price
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Purchases
0
Total spend
—
—
Last purchased
—
Purchase records
—
Total demand
—
Latest award total
Purchase history
No priced purchases on record for this NSN yet.
Related contract actions
Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.
No related contract actions on record.
Demand history
Every solicitation we've indexed for this NSN, open and closed — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-U-3836 | Sep 3, 2026 | Sep 22, 2026 | 87 | Expired | View at DIBBS → |
Open RFQs on DIBBS → DIBBS award history ↗
About this data
- Unit prices: DLA DIBBS award records — every row links to its government record.
- AMSC: latest observed value from DIBBS solicitation history as of Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,PLATE." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-475-6850/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-475-6850/