FSC 5310 × NUT,SELF-LOCKING,HEXAGON

NUT,SELF-LOCKING,HEXAGON

5310-01-666-8115 FSC 5310

NSN 5310-01-666-8115 (also written 5310016668115; NIIN 01-666-8115) is a nut, self-locking, hexagon in Federal Supply Class 5310, Nuts and Washers. 1 manufacturer part number from 1 supplier is on record. The government has 2 open solicitations for it.

Open for bid

2 open solicitations on record right now — quantity, close date, and where to submit.

Solicitation	Qty	Status
SPE4A6-27-T-3513	100	Closes in 1d	Bid →
SPE4A0-27-T-0183	1	Closes in 3d	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 T: handled under qualified products list procedures. 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	2B
THREAD DIRECTION AAJF	RIGHT-HAND
LOCKING FEATURE AAUM	PREVAILING TORQUE WITH NONMETALLIC INSERT
NUT STYLE ACTA	—
NUT HEIGHT ADEA	INCHES MINIMUM 0.229 AND INCHES MAXIMUM 0.249
WIDTH ACROSS FLATS ASDB	INCHES MINIMUM 0.367 AND INCHES MAXIMUM 0.376
THREAD SERIES BZRR	UNF
THREAD QUANTITY PER INCH CMLP	32
NOMINAL THREAD SIZE CQJX	INCHES 0.190
BEARING SURFACE TYPE CRTM	CHAMFERED
MATERIAL MATT	OVERALL STEEL CORROSION RESISTING
SURFACE TREATMENT SFTT	OVERALL PASSIVATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC	OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416, TYE II, CLASS 2 OR 3 QQ--416
SPECIFICATION/STANDARD DATA ZZZK	GOVERNMENT SPECIFICATION 81349--IL-DTL-45913

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
M45913/2-010FS3	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

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 — 2 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
SPE4A0-27-T-0183	Oct 15, 2026	Oct 22, 2026	1	Open	View at DIBBS →
SPE4A6-27-T-3513	Oct 13, 2026	Oct 20, 2026	100	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. "NUT,SELF-LOCKING,HEXAGON." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-666-8115/. Data as of October 19, 2026.

Link

https://nsnexplorer.com/nsn/5310-01-666-8115/