Acquisition method (AMC)
1
FSC 4730 × ADAPTER,STRAIGHT,FLANGE TO BOSS
ADAPTER,STRAIGHT,FLANGE TO BOSS
4730-01-031-2839 FSC 4730
NSN 4730-01-031-2839 (also written 4730010312839; NIIN 01-031-2839) is an adapter, straight, flange to boss in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 4 manufacturer part numbers from 3 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-0297 | 16 | Closes in 4d | Bid → |
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
C
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, 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 CLASS AAJD | 2A |
| BOLT HOLE QUANTITY AECS | 6 |
| CONNECTION STYLE AHNC | — |
| FLANGE SHAPE ARKN | FIRST END ROUND WITH HOLES |
| CONNECTION TYPE AWLS | SECOND END THREADED EXTERNAL BOSS |
| CONNECTION TYPE AWLS | FIRST END FLANGE |
| NOMINAL THREAD SIZE CQJX | SECOND END INCHES 1.875 |
| NOMINAL OUTSIDE DIAMETER CWCD | FIRST END INCHES 0.500 |
| NOMINAL THICKNESS CWCK | FIRST END INCHES 0.437 |
| BOLT HOLE NOMINAL DIAMETER CWCQ | FIRST END INCHES 0.562 |
| BOLT CIRCLE NOMINAL DIAMETER CWCT | FIRST END INCHES 3.938 |
| FLANGE FACE DESIGN CWDF | FIRST END PLAIN |
| NOMINAL OVERALL LENGTH CWFR | INCHES 6.219 |
| MATERIAL MATT | OVERALL COPPER ALLOY |
| THREAD SERIES DESIGNATOR THSD | SECOND END UNF |
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 |
|---|---|---|
| 115654001PC34 | 07309 | BIRD-JOHNSON PROPELLER COMPANY, LLC |
| 4730PL1289903 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| 525-141-142 | 85181 | DEUBLIN COMPANY, LLC |
| C156SKDD963-10 | 07309 | BIRD-JOHNSON PROPELLER COMPANY, LLC |
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 6, 2026
Last purchased
1 · 1.0/yr
Purchase records
$61,064
Total demand
$61,064
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 6, 2026 | SPE7M027V0046 ↗ | — | — | $61,064 |
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
CAGE 0U2X8
last award Oct 2026
BIRD-JOHNSON PROPELLER COMPANY, LLC
no award yet
no awards on record
Listed source DEUBLIN COMPANY, LLC
no award yet
no awards on record
Listed source JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX
no award yet
no awards on record
Listed source CAGE 0U2X8 won the only award on record. CAGE 0U2X8 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M3-27-T-0297 | Oct 13, 2026 | Oct 23, 2026 | 16 | 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 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-08.
- Full methodology →
Cite this page
Citation
NSN Explorer. "ADAPTER,STRAIGHT,FLANGE TO BOSS." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-01-031-2839/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4730-01-031-2839/