Acquisition method (AMC)
1
FSC 4730 × REDUCER,BOSS
REDUCER,BOSS
4730-00-188-8034 FSC 4730
NSN 4730-00-188-8034 (also written 4730001888034; NIIN 00-188-8034) is a reducer, boss in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 12 manufacturer part numbers from 7 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)
T
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC T: handled under qualified products list procedures. 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 |
|---|---|
| NOMINAL OVERALL LENGTH CWFR | INCHES 1.109 |
| THREAD SERIES DESIGNATOR THSD | ALL ENDS UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD CLASS AAJD | 3A |
| THREAD CLASS AAJD | 3B |
| NOMINAL THREAD SIZE CQJX | SECOND END INCHES 0.562 |
| CONNECTION TYPE AWLS | SECOND END THREADED EXTERNAL BOSS |
| CONNECTION STYLE AHNC | — |
| CONNECTION TYPE AWLS | FIRST END THREADED INTERNAL BOSS |
| REDUCER TYPE ACSP | CONCENTRIC |
| SURFACE TREATMENT SFTT | OVERALL CADMIUM |
| SPECIFICATION/STANDARD DATA ZZZK | GOVERNMENT STANDARD 96906--S24397 |
| MATERIAL MATT | OVERALL STEEL |
| NOMINAL THREAD SIZE CQJX | FIRST END INCHES 0.438 |
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 |
|---|---|---|
| 4730PL0811826 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| 70001-576 | 21439 | CURTISS-WRIGHT FLOW CONTROL SERVICE, LLC DBA ENGINEERED ARRESTING SYSTEMS - ESCO DIV CW FLOW CONTROL SVC LLC DBA |
| 70001-576 | Z0K15 | DEFENCE LIAISON SERVICES PTY LTD |
| AN893-7 | 21439 | CURTISS-WRIGHT FLOW CONTROL SERVICE, LLC DBA ENGINEERED ARRESTING SYSTEMS - ESCO DIV CW FLOW CONTROL SVC LLC DBA |
| AN893-7 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
| AN893-7 | Z0K15 | DEFENCE LIAISON SERVICES PTY LTD |
| AS4875 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| AS4875 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS5172-0506L | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| AS5172-0506L | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| MS24397-7 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| SAE-AS4875 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
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
$42.50
Purchases
1
Total spend
$8,245
Oct 21, 2026
Last purchased
2 · 2.0/yr
Purchase records
$16,490
Total demand
$42.50
Latest unit price
Purchase history
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 21, 2026 | SPE7M027V0279 ↗ | — | — | $8,245 |
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 0F4K9
last award Oct 2026
AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
no award yet
no awards on record
Listed source CURTISS-WRIGHT FLOW CONTROL SERVICE, LLC DBA ENGINEERED ARRESTING SYSTEMS - ESCO DIV CW FLOW CONTROL SVC LLC DBA
no award yet
no awards on record
Listed source DEFENCE LIAISON SERVICES PTY LTD
no award yet
no awards on record
Listed source JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX
no award yet
no awards on record
Listed source MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
no award yet
no awards on record
Listed source SAE INTERNATIONAL DBA SAE INTERNATIONAL
no award yet
no awards on record
Listed source SOCIETY OF AUTOMOTIVE ENGINEERS INC
no award yet
no awards on record
Listed source CAGE 0F4K9 won the only award on record. CAGE 0F4K9 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M3-26-T-8619 | Aug 26, 2026 | Sep 8, 2026 | 194 | 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: 2026-10-23.
- Full methodology →
Cite this page
Citation
NSN Explorer. "REDUCER,BOSS." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-00-188-8034/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4730-00-188-8034/