NSN Explorer

FSC 5310 × NUT,SELF-LOCKING,EXTENDED WASHER

NUT,SELF-LOCKING,EXTENDED WASHER

5310-01-057-3358

Open for bid

No open solicitations on record for this NSN right now.

Search open RFQs on DIBBS →

Can you win it?

Restricted — approved sources only, based on the latest AMSC/AMC on record.

AMSC / AMC
Competition

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 METAL DESIGN
WASHER OUTSIDE DIAMETER AAVX INCHES MAXIMUM 0.701
LUBRICATION ABAJ DRY FILM LUBRICANT
OVERALL HEIGHT ABKW INCHES MAXIMUM 0.490
NUT STYLE ACTA
WASHER THICKNESS ADEM INCHES MINIMUM 0.049
TEMP RATING AZKQ FAHRENHEIT MAXIMUM 450.0
THREAD SERIES BZRR UNF
THREAD QUANTITY PER INCH CMLP 24
HARDNESS RATING CQFM ROCKWELL C MAXIMUM 48.0
NOMINAL THREAD SIZE CQJX INCHES 0.375
SPECIAL FEATURES FEAT WRENCHING FACILITY PER MS33787-16 MS33787-16
MATERIAL MATT OVERALL STEEL
SURFACE TREATMENT SFTT OVERALL CADMIUM AND CHROMATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2,CL 2 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
MS21085L06 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
RMLH10726-6 72962 HARVARD INDUSTRIES INC

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

Price history

What the government paid per unit

Fewer than two priced purchases on record — see the table below.

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-T-15YA Aug 13, 2026 Aug 25, 2026 157 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.
  • Contract action totals: USAspending, context only.
  • Full methodology →