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FSC 5306 × BOLT,CLOSE TOLERANCE

BOLT,CLOSE TOLERANCE

5306-00-180-0539 FSC 5306

NSN 5306-00-180-0539 (also written 5306001800539; NIIN 00-180-0539) is a bolt, close tolerance in Federal Supply Class 5306, Bolts. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

Open for bid

No open solicitations on record for this NSN right now.

Search open RFQs on DIBBS →

Can you win it?

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

Acquisition method (AMC)
1
Suffix (AMSC)
G
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.

UNITS: INCHES SIDE VIEW 6.688–6.734 LG ⌀0.437 5306-00-180-0539 ALL DIMENSIONS IN INCHES · REFERENCE ONLY, NOT FOR MANUFACTURE BOLT,CLOSE TOLERANCE · OVERALL STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 · 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
FASTENER LENGTH AASB INCHES MINIMUM 6.688 AND INCHES MAXIMUM 6.734
HEAD STYLE AASK —
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER CRZS FIRST HOLE INCHES MINIMUM 1.031 AND INCHES MAXIMUM 1.062
MATERIAL MATT OVERALL STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037
THREAD DIRECTION AAJF RIGHT-HAND
THREAD LENGTH AASA INCHES MINIMUM 0.610 AND INCHES MAXIMUM 0.687
SURFACE TREATMENT SFTT OVERALL CADMIUM AND CHROMATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC OVERALL FED SPEC ALL TREATMENT RESPONSES QQ--416,TY 2,CL 3 QQ--416
THREAD CLASS AAJD 3A
GRIP LENGTH ANEE INCHES MINIMUM 0.547 AND INCHES MAXIMUM 0.578
THREAD QUANTITY PER INCH CMLP 20
MINIMUM TENSILE STRENGTH CQBC POUNDS PER SQUARE INCH 125000
HARDNESS RATING CQFM OVERALL ROCKWELL C MINIMUM 26.0 AND ROCKWELL C MAXIMUM 32.0
GRIP DIAMETER AAUR INCHES MINIMUM 0.3737 AND INCHES MAXIMUM 0.3742
SHANK UNTHREADED HOLE DIAMETER AAWB FIRST HOLE INCHES MINIMUM 0.106 AND INCHES MAXIMUM 0.116
NOMINAL THREAD DIAMETER AHYM INCHES 0.437
HEAD HEIGHT AASU INCHES MINIMUM 0.203 AND INCHES MAXIMUM 0.235
WIDTH BETWEEN FLATS AATB INCHES MINIMUM 0.553 AND INCHES MAXIMUM 0.565
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
AN176-65 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
$189.00
Purchases
1
Total spend
$4,158
Aug 17, 2026
Last purchased
2 · 2.0/yr
Purchase records
$8,316
Total demand
$189.00
Latest unit price

Compare with other items

Purchase history

1 purchase on record
Awarded Qty Unit price Total Supplier Agency Source
Aug 17, 2026 22 $189.00 $4,158 STANDARD AERO PARTS, INC (1DN91) Unknown Source ↗

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.

Action date Award # Recipient Agency Obligation
Aug 17, 2026 SPE4A726V4553 ↗ STANDARD AERO PARTS, INC — $4,158

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.

Who wins this item

Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.

  • Award in the last 2 years
  • Older award
STANDARD AERO PARTS, INC
last award Aug 2026
Not listed
AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
no award yet
Listed source
MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
no award yet
Listed source

STANDARD AERO PARTS, INC won the only award on record. STANDARD AERO PARTS, INC won without being a listed source.

Solicitation Issued Closes / closed Qty Status
SPE4A7-26-T-642T Aug 12, 2026 Aug 19, 2026 22 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 as of Oct 10, 2026.
  • Contract action totals: USAspending, context only.
  • Data last refreshed: 2026-11-03.
  • Full methodology →
Cite this page
Citation

NSN Explorer. "BOLT,CLOSE TOLERANCE." nsnexplorer.com, https://nsnexplorer.com/nsn/5306-00-180-0539/. Data as of November 7, 2026.

Link

https://nsnexplorer.com/nsn/5306-00-180-0539/