Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,DOUBLE HEXAGON
NUT,SELF-LOCKING,DOUBLE HEXAGON
5310-01-134-2733 FSC 5310
NSN 5310-01-134-2733 (also written 5310011342733; NIIN 01-134-2733) is a nut, self-locking, double hexagon in Federal Supply Class 5310, Nuts and Washers. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Aug 2026.
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)
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 | FIRST END INCHES MAXIMUM 0.467 |
| NUT STYLE ACTA | — |
| NUT HEIGHT ADEA | INCHES MAXIMUM 0.373 |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.680 AND INCHES MAXIMUM 0.690 |
| TEMP RATING AZKQ | FAHRENHEIT NOMINAL 450.0 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH CMLP | 20 |
| HARDNESS RATING CQFM | ROCKWELL C MAXIMUM 42.0 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.438 |
| BEARING SURFACE TYPE CRTM | FLAT OR WASHER FACED |
| MATERIAL MATT | OVERALL IRON ALLOY 660 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5732 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5737 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5525 |
| PRECIOUS MATERIAL AND LOCATION PMLC | SILVER ALL SURFACES |
| PRECIOUS MATERIAL PRMT | SILVER |
| SURFACE TREATMENT SFTT | OVERALL SILVER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ-S-365,TYE 1,GRADE A OR ASSN STD SINGLE TREATMENT RESPONSE A-S 2410 QQ-S-365 |
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 |
|---|---|---|
| EWSN26AGC07S | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| SS5086C07S | 27238 | BRISTOL INDUSTRIES, LLC |
| SS5086C07S | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| SS5086C07S | 78286 | SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP |
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
$10.90
Purchases
1
Total spend
$7,183
Aug 25, 2026
Last purchased
2 · 2.0/yr
Purchase records
$14,366
Total demand
$10.90
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Aug 25, 2026 | 659 | $10.90 | $7,183 | BOEING DISTRIBUTION SERVICES X, INC. (2N935) | Unknown | Source ↗ |
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 |
|---|---|---|---|---|
| Aug 25, 2026 | SPE4A626PAZ10 ↗ | BOEING DISTRIBUTION SERVICES X, INC. | — | $7,183 |
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.
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
BOEING DISTRIBUTION SERVICES X, INC.
last award Aug 2026
BRISTOL INDUSTRIES, LLC
no award yet
no awards on record
Listed source SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP
no award yet
no awards on record
Listed source SPS TECHNOLOGIES, LLC DBA PB FASTENERS
no award yet
no awards on record
Listed source BOEING DISTRIBUTION SERVICES X, INC. won the only award on record. BOEING DISTRIBUTION SERVICES X, INC. won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-11UL | Aug 5, 2026 | Aug 12, 2026 | 659 | 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.
- Data last refreshed: 2026-11-01.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,DOUBLE HEXAGON." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-134-2733/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-134-2733/