FSC 5306 × BOLT,MACHINE

BOLT,MACHINE

5306-00-281-9997

Open for bid

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

Solicitation	Qty	Status
SPE4A6-26-T-25SR	73	Closes today	Bid →

Can you win it?

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

AMSC / AMC

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Competition

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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
HEAD HEIGHT AASU	INCHES MINIMUM 0.203 AND INCHES MAXIMUM 0.235
FEATURES PROVIDED CBBL	FINISHED HEAD
HEAD STYLE AASK	—
HOLE CONFIGURATION STYLE CRHC	—
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER CRZS	FIRST HOLE INCHES NOMINAL 2.376
MATERIAL MATT	OVERALL STEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140
THREAD LENGTH AASA	INCHES MINIMUM 0.640
FASTENER LENGTH AASB	INCHES NOMINAL 2.578
THREAD CLASS AAJD	3A
THREAD DIRECTION AAJF	RIGHT-HAND
THREAD QUANTITY PER INCH CMLP	24
NOMINAL THREAD DIAMETER AHYM	INCHES 0.375
GRIP LENGTH ANEE	INCHES NOMINAL 1.938
HOLE QUANTITY ASXK	1
HOLE TYPE BQDM	DRILLED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC	OVERALL FED SPEC ALL TREATMENT RESPONSES QQ--416 TY 2 CL 3 QQ--416
THREAD SERIES DESIGNATOR THSD	UNF
MATERIAL DOCUMENT AND CLASSIFICATION MDCL	OVERALL MIL SPEC ALL MATERIAL RESPONSES -IL-B-6812
SHANK UNTHREADED HOLE DIAMETER AAWB	FIRST HOLE INCHES NOMINAL 0.106
HARDNESS RATING CQFM	OVERALL ROCKWELL C MINIMUM 26.0 AND ROCKWELL C MAXIMUM 32.0
MINIMUM TENSILE STRENGTH CQBC	POUNDS PER SQUARE INCH 125000
SURFACE TREATMENT SFTT	OVERALL CADMIUM AND CHROMATE
HOLE DIAMETER AAUB	INCHES NOMINAL 0.070
WIDTH BETWEEN FLATS AATB	INCHES MINIMUM 0.553 AND INCHES MAXIMUM 0.565

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
AN6H24	88044	AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
B6812	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

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

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Purchases

Total spend

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Last purchased

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Purchase records

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Total demand

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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-25SR	Sep 2, 2026	Sep 9, 2026	73	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.
Contract action totals: USAspending, context only.
Full methodology →