Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,PLATE
NUT,SELF-LOCKING,PLATE
5310-01-321-2425 FSC 5310
NSN 5310-01-321-2425 (also written 5310013212425; NIIN 01-321-2425) is a nut, self-locking, plate in Federal Supply Class 5310, Nuts and Washers. 8 manufacturer part numbers from 7 suppliers are on record. The government has 1 open solicitation for it.
Open for bid
1 open solicitation on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE4A6-27-T-2556 | 1,007 | Closes in 1d | Bid → |
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
C
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. 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.
Dimensioned drawing
Generated from the federal catalog's dimensional data for this NSN — reference only, not a manufacturing drawing.
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 METAL DESIGN |
| COUNTERBORE DIAMETER AAWY | NUT INCHES MINIMUM 0.194 |
| LUBRICATION ABAJ | DRY FILM LUBRICANT |
| MOUNTING HOLE DIAMETER ABTB | INCHES MINIMUM 0.098 AND INCHES MAXIMUM 0.103 |
| NUT STYLE ACTA | — |
| NUT LENGTH ACVN | INCHES MAXIMUM 1.051 |
| NUT HEIGHT ADEA | INCHES MAXIMUM 0.220 |
| PLATE THICKNESS ADEB | INCHES MINIMUM 0.028 AND INCHES MAXIMUM 0.036 |
| PLATE WIDTH ADEC | INCHES MAXIMUM 0.454 |
| REMOVABLE NUT MANUFACTURER CODE ADFD | 15653 |
| NUT COUNTERBORE DEPTH ADFK | NUT INCHES MINIMUM 0.070 |
| NUT MOUNTING PROVISION ADFP | STRAIGHT HOLES |
| MOUNTING HOLE ARRANGEMENT STYLE ADFU | — |
| DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER ADFW | INCHES MINIMUM 0.339 AND INCHES MAXIMUM 0.349 |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH ADFY | INCHES MINIMUM 0.310 AND INCHES MAXIMUM 0.314 |
| REMOVABLE NUT MANUFACTURER PART NUMBER ADNC | F52892-3-1XN |
| TEMP RATING AZKQ | FAHRENHEIT NOMINAL 450.0 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| FEATURES PROVIDED CBBL | FLOATING NUT |
| THREAD QUANTITY PER INCH CMLP | 32 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.190 |
| MATERIAL MATT | CLIP STEEL CORROSION RESISTING |
| MATERIAL MATT | SHELL IRON ALLOY 660 |
| MATERIAL MATT | NUT IRON ALLOY 660 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | NUT ASSN STD SINGLE MATERIAL RESPONSE A-S 5525 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5731 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5732 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | SHELL ASSN STD SINGLE MATERIAL RESPONSE A-S 5525 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5731 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5732 |
| SURFACE TREATMENT SFTT | NUT PASSIVATE |
| SURFACE TREATMENT SFTT | SHELL PASSIVATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | NUT 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 |
|---|---|---|
| 03A169-3A1 | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN COMPUTING SYSTEMS |
| 03A169-3A1 | 27238 | BRISTOL INDUSTRIES, LLC |
| 03A169-3A1 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS |
| BFN169-3-1 | 27238 | BRISTOL INDUSTRIES, LLC |
| F13743-3-1 | 72962 | HARVARD INDUSTRIES INC |
| F52890-3-1 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| NRF160C3M-1 | 52828 | REPUBLIC FASTENER MFG. CORP. DBA ARCONIC FASTENING SYSTEMS |
| NS202880-3-1 | 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
—
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 — 2 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-27-T-2556 | Oct 13, 2026 | Oct 20, 2026 | 1,007 | Open | View at DIBBS → |
| SPE4A6-26-U-4137 | Sep 11, 2026 | Sep 30, 2026 | 1,607 | 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/5310-01-321-2425/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-321-2425/