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FSC 5306 × BOLT,EXTERNALLY RELIEVED BODY

BOLT,EXTERNALLY RELIEVED BODY

5306-00-638-4949 FSC 5306

NSN 5306-00-638-4949 (also written 5306006384949; NIIN 00-638-4949) is a bolt, externally relieved body in Federal Supply Class 5306, Bolts. 4 manufacturer part numbers from 4 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-7010 15 Closes in 2d Bid →

Can you win it?

This item is coded as suitable for competitive acquisition (AMC 1).

Acquisition method (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.

UNITS: INCHES SIDE VIEW 2.406 LG ⌀0.375 5306-00-638-4949 ALL DIMENSIONS IN INCHES · REFERENCE ONLY, NOT FOR MANUFACTURE BOLT,EXTERNALLY RELIEVED BODY · OVERALL STEEL COMP 440C · THREAD 3A

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
WIDTH BETWEEN FLATS AATB INCHES MINIMUM 0.553 AND INCHES MAXIMUM 0.565
FIRST DIAMETER FROM HEAD AAWC INCHES MINIMUM 0.393 AND INCHES MAXIMUM 0.394
SECOND DIAMETER FROM HEAD AAWD INCHES NOMINAL 0.309
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER AAWH INCHES NOMINAL 1.781
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER AAWJ INCHES NOMINAL 1.864
FASTENER LENGTH AASB INCHES NOMINAL 2.406
HEAD STYLE AASK —
HEAD HEIGHT AASU INCHES NOMINAL 0.219
THREAD CLASS AAJD 3A
THREAD DIRECTION AAJF RIGHT-HAND
THREAD LENGTH AASA INCHES MINIMUM 0.083
THREAD SERIES DESIGNATOR THSD UNF
MINIMUM TENSILE STRENGTH CQBC POUNDS PER SQUARE INCH 123000
HARDNESS RATING CQFM OVERALL ROCKWELL C MINIMUM 36.0 AND ROCKWELL C MAXIMUM 40.0
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY CSNG 2
MATERIAL MATT OVERALL STEEL COMP 440C
NOMINAL THREAD DIAMETER AHYM INCHES 0.375
THREAD QUANTITY PER INCH CMLP 24

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
6739873 17328 UNITED PRECISION PRODUCTS CO., INC.
6739873 24617 GENERAL MOTORS CORP
6739873 63005 ROLLS-ROYCE CORPORATION
6739873 73342 ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, 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

Compare with other items

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
SPE4A6-27-T-7010 Oct 28, 2026 Nov 9, 2026 15 Open 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 28, 2026.
  • Contract action totals: USAspending, context only.
  • Full methodology →
Cite this page
Citation

NSN Explorer. "BOLT,EXTERNALLY RELIEVED BODY." nsnexplorer.com, https://nsnexplorer.com/nsn/5306-00-638-4949/. Data as of November 7, 2026.

Link

https://nsnexplorer.com/nsn/5306-00-638-4949/