Acquisition method (AMC)
3
FSC 4730 × NUT ASSEMBLY,TUBE COUPLING
NUT ASSEMBLY,TUBE COUPLING
4730-00-438-5304 FSC 4730
NSN 4730-00-438-5304 (also written 4730004385304; NIIN 00-438-5304) is a nut assembly, tube coupling in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 1 manufacturer part number from 1 supplier is 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-1009 | 30 | Closes in 9d | Bid → |
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
C
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. 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 SIZE ABUJ | 2-1/2-12 |
| TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED ACSV | INCHES NOMINAL 2.000 |
| THREAD CLASS AAJD | 2B |
| OUTSIDE DIAMETER ABKV | INCHES NOMINAL 2.608 |
| SPECIAL FEATURES FEAT | FURNISHED W/TWO SPLIT RINGS |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| MATERIAL MATT | ALUMINUM ALLOY |
| SURFACE TREATMENT SFTT | ANODIZE |
| OVERALL LENGTH ABHP | INCHES NOMINAL 0.610 |
| SCREW THREAD SERIES DESIGNATOR AJYP | UN |
| STYLE DESIGNATOR STYL | — |
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 |
|---|---|---|
| 63551L104G28 | 79326 | TRANSDIGM INC DIV ADELWIGGINS GROUP |
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
—
Oct 22, 2026
Last purchased
1 · 1.0/yr
Purchase records
$6,800
Total demand
$6,800
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 |
|---|---|---|---|---|
| Oct 22, 2026 | SPE7M327P0145 ↗ | BOONE AEROSPACE, INC. DBA PROPONENT HELICOPTER SERVICES | — | $6,800 |
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
BOONE AEROSPACE, INC. DBA PROPONENT HELICOPTER SERVICES
last award Oct 2026
TRANSDIGM INC DIV ADELWIGGINS GROUP
no award yet
no awards on record
Listed source BOONE AEROSPACE, INC. DBA PROPONENT HELICOPTER SERVICES won the only award on record. BOONE AEROSPACE, INC. DBA PROPONENT HELICOPTER SERVICES won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M3-27-T-1009 | Nov 6, 2026 | Nov 16, 2026 | 30 | 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 23, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-23.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT ASSEMBLY,TUBE COUPLING." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-00-438-5304/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4730-00-438-5304/