FSC 4730 × LOCKNUT,TUBE FITTING

LOCKNUT,TUBE FITTING

4730-01-073-7855 FSC 4730

NSN 4730-01-073-7855 (also written 4730010737855; NIIN 01-073-7855) is a locknut, tube fitting in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 8 manufacturer part numbers from 6 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
SPE7M3-27-T-1136	31	Closes in 8d	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 B: must be bought from the sources named on a source control or selected item drawing. 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.

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	3A
THREAD DIRECTION AAJF	RIGHT-HAND
NUT STYLE ACTA	—
NUT HEIGHT ADEA	INCHES NOMINAL 0.484
WIDTH ACROSS FLATS ASDB	INCHES MINIMUM 2.865 AND INCHES MAXIMUM 2.887
THREAD SERIES BZRR	UNS
PACKING RECESS DIAMETER CFPT	INCHES MINIMUM 2.323 AND INCHES MAXIMUM 2.329
PACKING RECESS DEPTH CFPW	INCHES MINIMUM 0.089 AND INCHES MAXIMUM 0.119
THREAD QUANTITY PER INCH CMLP	16
NOMINAL THREAD SIZE CQJX	INCHES 2.359
NOMINAL TUBE OUTSIDE DIAMETER CQRJ	INCHES 2.323
MATERIAL MATT	OVERALL EXCEPT INSERT STEEL

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
12267739	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
12267739	27687	GREER STOP NUT, INC.
12267739	73342	ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC
49N7974-2.360-18	27687	GREER STOP NUT, INC.
BR4664-N12	019L2	ESNA, LLC
BR4664-N12	72962	HARVARD INDUSTRIES INC
DAX11236	73342	ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC
SL7065N12	97393	SPS TECHNOLOGIES LLC DBA SHUR-LOK COMPANY DIV AEROSPACE ENGINEERED PRODUCTS DIVISION

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
SPE7M3-27-T-1136	Nov 6, 2026	Nov 16, 2026	31	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 Nov 8, 2026.
Contract action totals: USAspending, context only.
Full methodology →

Cite this page

Citation

NSN Explorer. "LOCKNUT,TUBE FITTING." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-01-073-7855/. Data as of November 8, 2026.

Link

https://nsnexplorer.com/nsn/4730-01-073-7855/