FSC 5306 × BOLT,RIBBED SHOULDER

BOLT,RIBBED SHOULDER

5306-01-068-1303 FSC 5306

NSN 5306-01-068-1303 (also written 5306010681303; NIIN 01-068-1303) is a bolt, ribbed shoulder in Federal Supply Class 5306, Bolts. 3 manufacturer part numbers from 3 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-2057	2,012	Closes in 1d	Bid →

Can you win it?

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

Acquisition method (AMC)

Suffix (AMSC)

Competition

Coded for competition

AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. 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	2A
THREAD DIRECTION AAJF	RIGHT-HAND
THREAD LENGTH AASA	INCHES MINIMUM 1.200 AND INCHES MAXIMUM 1.300
FASTENER LENGTH AASB	INCHES MINIMUM 3.541 AND INCHES MAXIMUM 3.601
HEAD STYLE AASK	—
HEAD DIAMETER AASL	INCHES NOMINAL 1.310
HEAD HEIGHT AASU	INCHES NOMINAL 0.310
SHOULDER DIAMETER AATN	FIRST SHOULDER INCHES MINIMUM 0.995 AND INCHES MAXIMUM 1.005
SHOULDER LENGTH AATX	FIRST SHOULDER INCHES NOMINAL 1.160
RIB MAJOR DIAMETER AAVP	INCHES MINIMUM 0.995 AND INCHES MAXIMUM 1.005
RIB LENGTH AAVQ	INCHES MINIMUM 1.040 AND INCHES MAXIMUM 1.100
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS AAVR	INCHES MINIMUM 0.060 AND INCHES MAXIMUM 0.120
RIB MINOR DIAMETER AAVT	INCHES MINIMUM 0.880 AND INCHES MAXIMUM 0.930
RIB QUANTITY AAVU	28
NOMINAL THREAD DIAMETER AHYM	INCHES 0.875
THREAD QUANTITY PER INCH CMLP	14
HARDNESS RATING CQFM	OVERALL ROCKWELL C MINIMUM 40.0 AND ROCKWELL C MAXIMUM 46.0
SHOULDER SHAPE CWYB	FIRST SHOULDER RIBBED
MATERIAL MATT	OVERALL STEEL COMP 8637 OR STEEL COMP 8640
MATERIAL DOCUMENT AND CLASSIFICATION MDCL	OVERALL ASSN STD ALL MATERIAL RESPONSES AST- A322 OR ASSN STD ALL MATERIAL RESPONSES AST- A331
SURFACE TREATMENT SFTT	OVERALL CADMIUM AND CHROMATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC	OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2 CL 3 QQ--416
THREAD SERIES DESIGNATOR THSD	UNF

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
12274571	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
5306010681303	A00AM	E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES
5306PL2351658	9009H	JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX

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

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-2057	Oct 13, 2026	Oct 20, 2026	2,012	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 13, 2026.
Contract action totals: USAspending, context only.
Full methodology →

Cite this page

Citation

NSN Explorer. "BOLT,RIBBED SHOULDER." nsnexplorer.com, https://nsnexplorer.com/nsn/5306-01-068-1303/. Data as of October 19, 2026.

Link

https://nsnexplorer.com/nsn/5306-01-068-1303/