Acquisition method (AMC)
3
FSC 4730 × REDUCER,TUBE
REDUCER,TUBE
4730-00-177-0450 FSC 4730
NSN 4730-00-177-0450 (also written 4730001770450; NIIN 00-177-0450) is a reducer, tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 1 manufacturer part number from 1 supplier is 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 to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
L
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC L: annual buy value is below the screening threshold. 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 |
|---|---|
| CONNECTION STYLE AHNC | — |
| NOMINAL THREAD SIZE CQJX | SECOND END INCHES 0.438 |
| CONNECTION TYPE AWLS | ALL ENDS THREADED EXTERNAL TUBE |
| THREAD CLASS AAJD | 3A |
| REDUCER TYPE ACSP | CONCENTRIC |
| SEAT ANGLE CQRB | ALL ENDS DEGREES 37.0 |
| NOMINAL THREAD SIZE CQJX | FIRST END INCHES 0.500 |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD | FIRST END INCHES 0.312 |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD | SECOND END INCHES 0.250 |
| NOMINAL OVERALL LENGTH CWFR | INCHES 1.822 |
| MATERIAL MATT | OVERALL STEEL COMP 347 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5646 |
| THREAD SERIES DESIGNATOR THSD | ALL ENDS 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 |
|---|---|---|
| 3018215 | 00198 | PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. |
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
$538.87
Purchases
1
Total spend
$538.87
Oct 28, 2026
Last purchased
2 · 2.0/yr
Purchase records
$1,078
Total demand
$538.87
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 28, 2026 | 1 | $538.87 | $538.87 | BOEING DISTRIBUTION, INC. (22819) | 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 28, 2026 | SPE7M327V0374 ↗ | BOEING DISTRIBUTION, INC. | — | $538.87 |
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
BOEING DISTRIBUTION, INC.
last award Oct 2026
PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP.
no award yet
no awards on record
Listed source BOEING DISTRIBUTION, INC. won the only award on record. BOEING DISTRIBUTION, INC. won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M3-27-T-0565 | Oct 22, 2026 | Nov 2, 2026 | 1 | Cancelled | 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: 2026-11-01.
- Full methodology →
Cite this page
Citation
NSN Explorer. "REDUCER,TUBE." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-00-177-0450/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4730-00-177-0450/