Acquisition method (AMC)
1
FSC 4730 × REDUCER,TUBE
REDUCER,TUBE
4730-01-091-1591 FSC 4730
NSN 4730-01-091-1591 (also written 4730010911591; NIIN 01-091-1591) is a reducer, tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 5 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Oct 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)
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 |
|---|---|
| REDUCER TYPE ACSP | CONCENTRIC |
| CONNECTION STYLE AHNC | — |
| CONNECTION TYPE AWLS | ALL ENDS UNTHREADED EXTERNAL TUBE |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD | FIRST END INCHES 0.375 |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD | SECOND END INCHES 0.250 |
| TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED CWFK | ALL ENDS INCHES 0.030 |
| NOMINAL OVERALL LENGTH CWFR | INCHES 1.120 |
| MATERIAL MATT | OVERALL STEEL CORROSION RESISTING |
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 |
|---|---|---|
| 102183-3 | 62727 | MID-STATE SALES, INC. DIV DEFENSE PRODUCTS GROUP |
| 4-6 ZPC-SS | 54938 | PARKER-HANNIFIN CORPORATION DIV INSTRUMENTATION PRODUCTS DIVISION |
| CV0209-025 | 22915 | NORTHROP GRUMMAN CORP ELECTRONIC SYSTEMS DEFENSIVE SYSTEM DIV |
| SS-601-PC-4 | 3T9T9 | SWAGELOK CO |
| SS-601-PC-4 | U7307 | SOUTH LONDON VALVE & FITTING COMPANY LTD T/A SWAGELOK LONDON |
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
$7.16
Purchases
1
Total spend
$1,353
Oct 1, 2026
Last purchased
2 · 2.0/yr
Purchase records
$2,706
Total demand
$7.16
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 1, 2026 | 189 | $7.16 | $1,353 | III WILLIAMS LLC (1WP64) | Unknown | Source ↗ |
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 1, 2026 | SPE7M327V0044 ↗ | III WILLIAMS LLC | — | $1,353 |
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
III WILLIAMS LLC
last award Oct 2026
MID-STATE SALES, INC. DIV DEFENSE PRODUCTS GROUP
no award yet
no awards on record
Listed source NORTHROP GRUMMAN CORP ELECTRONIC SYSTEMS DEFENSIVE SYSTEM DIV
no award yet
no awards on record
Listed source PARKER-HANNIFIN CORPORATION DIV INSTRUMENTATION PRODUCTS DIVISION
no award yet
no awards on record
Listed source SOUTH LONDON VALVE & FITTING COMPANY LTD T/A SWAGELOK LONDON
no award yet
no awards on record
Listed source SWAGELOK CO
no award yet
no awards on record
Listed source III WILLIAMS LLC won the only award on record. III WILLIAMS LLC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M3-26-T-9373 | Sep 25, 2026 | Oct 5, 2026 | 189 | 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: 2026-10-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "REDUCER,TUBE." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-01-091-1591/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4730-01-091-1591/