NSN Explorer

FSC 5310 × NUT,SELF-LOCKING,DOUBLE HEXAGON

NUT,SELF-LOCKING,DOUBLE HEXAGON

5310-00-055-2350

Open for bid

1 open solicitation on record right now — quantity, close date, and where to submit.

Solicitation Qty Status
SPE4A6-26-T-25YW 4,630 Closes today Bid →

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.

Dimensioned drawing

Generated from the federal catalog's dimensional data for this NSN — reference only, not a manufacturing drawing.

UNITS: INCHES PLAN VIEW 0.553–0.564 A/F ⌀0.375 THREAD 3B SIDE VIEW 0.303–0.313 THK 5310-00-055-2350 ALL DIMENSIONS IN INCHES · REFERENCE ONLY, NOT FOR MANUFACTURE NUT,SELF-LOCKING,DOUBLE HEXAGON · OVERALL STEEL COMP 8630 OR STEEL COMP 4037 OR STEEL COMP 601 · THREAD ⌀0.375 3B

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
MATERIAL MATT OVERALL STEEL COMP 8630 OR STEEL COMP 4037 OR STEEL COMP 601
MATERIAL DOCUMENT AND CLASSIFICATION MDCL OVERALL ASSN STD 1ST MATERIAL RESPONSE A-S 6280 OR ASSN STD 2ND MATERIAL RESPONSE A-S 6300 OR ASSN STD 3RD MATERIAL RESPONSE A-S 6304
BEARING SURFACE TYPE CRTM CHAMFERED
SPECIAL FEATURES FEAT ACTION ID 45588301
HARDNESS RATING CQFM ROCKWELL C MINIMUM 38.0 AND ROCKWELL C MAXIMUM 45.0
NOMINAL THREAD SIZE CQJX INCHES 0.375
WIDTH ACROSS FLATS ASDB INCHES MINIMUM 0.553 AND INCHES MAXIMUM 0.564
TEMP RATING AZKQ FAHRENHEIT NOMINAL 500.0
THREAD SERIES BZRR UNF
THREAD QUANTITY PER INCH CMLP 24
NUT HEIGHT ADEA INCHES MINIMUM 0.303 AND INCHES MAXIMUM 0.313
LOCKING FEATURE AAUM PREVAILING TORQUE ALL METAL DESIGN
NUT STYLE ACTA
THREAD CLASS AAJD 3B
THREAD DIRECTION AAJF RIGHT-HAND
SURFACE TREATMENT SFTT OVERALL CADMIUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 1,CL 1 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
090138-01 89305 SIMMONDS PRECISION PRODUCTS INC
5310PL1935160 9009H JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX
EWSN26-6 56878 SPS TECHNOLOGIES, LLC DBA PB FASTENERS
EWSN26AG-06 56878 SPS TECHNOLOGIES, LLC DBA PB FASTENERS
LH6521-064 57983 GREER AERO LLC
LH6521-064 62554 ALCOA GLOBAL FASTENERS, INC DBA SIMMONDS MECAERO FAS PDTS DIV SIMMONDS MECAERO FAS PDTS
LH6521-064 72962 HARVARD INDUSTRIES INC
SS5086-06 27238 BRISTOL INDUSTRIES, LLC
SS5086-06 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
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 — 6 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-25YW Sep 3, 2026 Sep 10, 2026 4,630 Open View at DIBBS →
SPE4A6-26-T-23DE Aug 27, 2026 Sep 3, 2026 11 Expired View at DIBBS →
SPE4A6-26-T-23QW Aug 27, 2026 Sep 3, 2026 60 Expired View at DIBBS →
SPE4A6-26-T-23QZ Aug 27, 2026 Sep 3, 2026 200 Expired View at DIBBS →
SPE4A6-26-T-16BK Aug 13, 2026 Aug 20, 2026 7,069 Expired View at DIBBS →
SPE4A6-26-T-11PQ Aug 5, 2026 Aug 12, 2026 7,069 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.
  • Contract action totals: USAspending, context only.
  • Full methodology →