Acquisition method (AMC)
3
FSC 4730 × NUT,TUBE COUPLING
NUT,TUBE COUPLING
4730-01-689-8422 FSC 4730
NSN 4730-01-689-8422 (also written 4730016898422; NIIN 01-689-8422) is a nut, tube coupling in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 3 manufacturer part numbers from 1 supplier 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 to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
H
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC H: the government lacks sufficient, accurate or legible data to buy from other sources. 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 7075 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | NUT, COUPLING, FLARED |
| NOMINAL TUBE OUTSIDE DIAMETER CQRJ | INCHES 0.500 |
| LENGTH TO SHOULDER BRQL | INCHES NOMINAL 0.723 |
| SMALLEST INSIDE DIAMETER BSPX | INCHES NOMINAL 0.570 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH CMLP | 16 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.750 |
| SPECIFICATION/STANDARD DATA ZZZK | PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 0U583-AS5175 |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| FABRICATION METHOD AARN | MACHINED |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-A-225 TO 9 OR NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE A-S 4124 QQ-A-225 |
| SURFACE TREATMENT SFTT | OVERALL ANODIZE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE A-S 2472 OR MIL SPEC SINGLE TREATMENT RESPONSE -IL-A-8625, TYE II, CLASS 2 |
| NUT STYLE ACTA | — |
| NUT HEIGHT ADEA | INCHES MINIMUM 0.839 AND INCHES MAXIMUM 0.859 |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.865 AND INCHES MAXIMUM 0.878 |
| THREAD CLASS AAJD | 3B |
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 |
|---|---|---|
| AS4841 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| AS5175 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| AS5175W08 | 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 8, 2026
Last purchased
1 · 1.0/yr
Purchase records
$1,440
Total demand
$1,440
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 8, 2026 | SPE7M426V4051 ↗ | — | — | $1,440 |
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
CAGE 9WVU4
last award Sep 2026
SAE INTERNATIONAL DBA SAE INTERNATIONAL
no award yet
no awards on record
Listed source CAGE 9WVU4 won the only award on record. CAGE 9WVU4 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 27, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-24.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,TUBE COUPLING." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-01-689-8422/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4730-01-689-8422/