Acquisition method (AMC)
2
FSC 4730 × REDUCER,TUBE
REDUCER,TUBE
4730-01-328-6134 FSC 4730
NSN 4730-01-328-6134 (also written 4730013286134; NIIN 01-328-6134) is a reducer, tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 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 2).
Suffix (AMSC)
G
Competition
Coded for competition
AMC 2: suitable for competitive acquisition, first time. AMSC G: the government has a complete data package and the rights to use it. 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 |
| REDUCER TYPE ACSP | CONCENTRIC |
| CONNECTION STYLE AHNC | — |
| CONNECTION TYPE AWLS | FIRST END UNTHREADED INTERNAL TUBE |
| CONNECTION TYPE AWLS | SECOND END THREADED EXTERNAL TUBE |
| NOMINAL THREAD SIZE CQJX | SECOND END INCHES 0.562 |
| SEAT ANGLE CQRB | SECOND END DEGREES 37.0 |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD | FIRST END INCHES 1.125 |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD | SECOND END INCHES 0.375 |
| NOMINAL OVERALL LENGTH CWFR | INCHES 1.160 |
| SPECIAL FEATURES FEAT | 0.076 IN. ORIFICE PRESSED INTO 2ND END |
| MATERIAL MATT | OVERALL STEEL COMP 316 |
| THREAD SERIES DESIGNATOR THSD | SECOND END UNIFIED NATIONAL JOINT FINE (UNJF) |
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 |
|---|---|---|
| 059302160600M | 79926 | SSP FITTINGS CORP |
| 23036110 | 63005 | ROLLS-ROYCE CORPORATION |
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
—
Aug 10, 2026
Last purchased
1 · 1.0/yr
Purchase records
$475.00
Total demand
$475.00
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 |
|---|---|---|---|---|
| Aug 10, 2026 | SPE7M326P1492 ↗ | DIXIE AIR PARTS SUPPLY, INC. | — | $475.00 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 2 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
- Solicitation posted
- Award made
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
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
DIXIE AIR PARTS SUPPLY, INC.
last award Aug 2026
ROLLS-ROYCE CORPORATION
no award yet
no awards on record
Listed source SSP FITTINGS CORP
no award yet
no awards on record
Listed source DIXIE AIR PARTS SUPPLY, INC. won the only award on record. DIXIE AIR PARTS SUPPLY, INC. won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M3-27-T-0464 | Oct 14, 2026 | Oct 26, 2026 | 1 | Expired | View at DIBBS → |
| SPE7M3-26-T-8600 | Aug 26, 2026 | Sep 8, 2026 | 1 | Expired | 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: 2026-11-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "REDUCER,TUBE." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-01-328-6134/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4730-01-328-6134/