Acquisition method (AMC)
3
FSC 5310 × NUT,SELF-LOCKING,PLATE
NUT,SELF-LOCKING,PLATE
5310-01-270-1250 FSC 5310
NSN 5310-01-270-1250 (also written 5310012701250; NIIN 01-270-1250) is a nut, self-locking, plate in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
C
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, 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 | BASE 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 0.729 |
| NUT HEIGHT ADEA | INCHES MAXIMUM 0.375 |
| PLATE THICKNESS ADEB | INCHES MAXIMUM 0.125 |
| PLATE WIDTH ADEC | INCHES MAXIMUM 0.416 |
| NUT COUNTERBORE DEPTH ADFK | BASE INCHES MINIMUM 0.188 AND INCHES MAXIMUM 0.198 |
| NUT MOUNTING PROVISION ADFP | STRAIGHT HOLES |
| MOUNTING HOLE ARRANGEMENT STYLE ADFU | — |
| DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER ADFW | INCHES MINIMUM 0.245 AND INCHES MAXIMUM 0.255 |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH ADFY | INCHES MINIMUM 0.498 AND INCHES MAXIMUM 0.502 |
| TEMP RATING AZKQ | FAHRENHEIT MAXIMUM 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 |
| SPECIAL FEATURES FEAT | COLOR RED |
| MATERIAL MATT | NUT STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8740 |
| MATERIAL MATT | SHELL STEEL COMP 1050 OR STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | NUT ASSN STD 1ST MATERIAL RESPONSE A-S 6350 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-S-5626 OR MIL SPEC 3RD MATERIAL RESPONSE -IL-S-6049 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | SHELL MIL SPEC ALL MATERIAL RESPONSES -IL-S-5059 |
| SURFACE TREATMENT SFTT | NUT CADMIUM |
| SURFACE TREATMENT SFTT | SHELL CADMIUM AND CHROMATE AND PASSIVATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | NUT FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 1,CL 2 QQ--416 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | SHELL FED SPEC 1ST TREATMENT RESPONSE QQ--416,TY 2,CL 2 OR FED SPEC 2ND TREATMENT RESPONSE QQ--35 QQ--416 |
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 |
|---|---|---|
| C9744-3-3 | 81755 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY |
| FBL10015-3-3 | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS |
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
$1,851.8519
Purchases
1
Total spend
$350,000
Oct 16, 2026
Last purchased
2 · 2.0/yr
Purchase records
$700,000
Total demand
$1,851.8519
Latest unit price
Purchase history
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.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Oct 16, 2026 | SPE4A627D60DF ↗ | — | — | $350,000 |
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.
- Solicitation posted
- Award made
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
CAGE 10TD1
last award Oct 2026
HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS
no award yet
no awards on record
Listed source LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY
no award yet
no awards on record
Listed source CAGE 10TD1 won the only award on record. CAGE 10TD1 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-U-4309 | Sep 18, 2026 | Oct 7, 2026 | 189 | Expired | View at DIBBS → |
| SPE4A6-26-U-3539 | Sep 3, 2026 | Sep 17, 2026 | 189 | Cancelled | 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.
- Data last refreshed: 2026-10-17.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,PLATE." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-270-1250/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-270-1250/