Acquisition method (AMC)
1
FSC 4730 × LOCKNUT,TUBE FITTING
LOCKNUT,TUBE FITTING
4730-00-277-6375 FSC 4730
NSN 4730-00-277-6375 (also written 4730002776375; NIIN 00-277-6375) is a locknut, tube fitting in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 11 manufacturer part numbers from 6 suppliers are on record. It was last purchased in Sep 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
T
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.
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 |
|---|---|
| MATERIAL MATT | OVERALL ALUMINUM ALLOY 2014 |
| PACKING RECESS DEPTH CFPW | INCHES NOMINAL 0.037 |
| THREAD QUANTITY PER INCH CMLP | 24 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.375 |
| NUT HEIGHT ADEA | INCHES NOMINAL 0.250 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-A-225 TO 4,ALLOY 2014,T6 QQ-A-225 |
| SURFACE TREATMENT SFTT | OVERALL ANODIZE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL MIL SPEC SINGLE TREATMENT RESPONSE -IL-A-8625,TYE 2,CLASS 2 |
| SPECIFICATION/STANDARD DATA ZZZK | GOVERNMENT STANDARD 88044-AN6289 AN6289 |
| END ITEM IDENTIFICATION AGAV | F-18 AIRCRAFT |
| THREAD CLASS AAJD | 3B |
| THREAD SERIES BZRR | UNF |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| NUT STYLE ACTA | — |
| PACKING RECESS DIAMETER CFPT | INCHES NOMINAL 0.546 |
| NOMINAL TUBE OUTSIDE DIAMETER CQRJ | INCHES 0.188 |
| WIDTH ACROSS FLATS ASDB | INCHES NOMINAL 0.625 |
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 |
|---|---|---|
| 752 524 | 77294 | PIPER INDUSTRIAL MANUFACTURING COMPANY, LLC DIV PIPER INDUSTRIAL MANUFACTURING COMPANY |
| AN6289D3 | 13899 | HYDRO-FITTING MANUFACTURING CORPORATION |
| AN6289D3 | 14397 | FABER ENTERPRISES, INC. DIV FABER ENTERPRISE INC |
| AN6289D3 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
| AS4841 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| AS4841 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS5179 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| AS5179 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS5179D03 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| AS5179D03 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| SAE-AS4841 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
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
—
Purchases
0
Total spend
—
Sep 28, 2026
Last purchased
1 · 1.0/yr
Purchase records
$3,990
Total demand
$3,990
Latest award total
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.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Sep 28, 2026 | SPE7M426P5209 ↗ | APPLIED INDUSTRIAL TECHNOLOGIES, INC. DBA APPLIED INDUSTRIAL TECHNOLOGIES | — | $3,990 |
Demand history
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
APPLIED INDUSTRIAL TECHNOLOGIES, INC. DBA APPLIED INDUSTRIAL TECHNOLOGIES
last award Sep 2026
AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
no award yet
no awards on record
Listed source FABER ENTERPRISES, INC. DIV FABER ENTERPRISE INC
no award yet
no awards on record
Listed source HYDRO-FITTING MANUFACTURING CORPORATION
no award yet
no awards on record
Listed source PIPER INDUSTRIAL MANUFACTURING COMPANY, LLC DIV PIPER INDUSTRIAL MANUFACTURING COMPANY
no award yet
no awards on record
Listed source SAE INTERNATIONAL DBA SAE INTERNATIONAL
no award yet
no awards on record
Listed source SOCIETY OF AUTOMOTIVE ENGINEERS INC
no award yet
no awards on record
Listed source APPLIED INDUSTRIAL TECHNOLOGIES, INC. DBA APPLIED INDUSTRIAL TECHNOLOGIES won the only award on record. APPLIED INDUSTRIAL TECHNOLOGIES, INC. DBA APPLIED INDUSTRIAL TECHNOLOGIES won without being a listed source.
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: 2026-09-29.
- Full methodology →
Cite this page
Citation
NSN Explorer. "LOCKNUT,TUBE FITTING." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-00-277-6375/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4730-00-277-6375/