Acquisition method (AMC)
1
FSC 4730 × REDUCER,BOSS
REDUCER,BOSS
4730-00-187-3579 FSC 4730
NSN 4730-00-187-3579 (also written 4730001873579; NIIN 00-187-3579) is a reducer, boss in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 13 manufacturer part numbers from 12 suppliers are on record. It was last purchased in Sep 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 1.328 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-Q-225 TO 4,T6 QQ-Q-225 |
| SURFACE TREATMENT SFTT | OVERALL ANODIZE |
| THREAD SERIES DESIGNATOR THSD | FIRST END UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD SERIES DESIGNATOR THSD | SECOND END UNF |
| SPECIFICATION/STANDARD DATA ZZZK | GOVERNMENT STANDARD 88044-AN919 AN919 |
| NOMINAL THREAD SIZE CQJX | FIRST END INCHES 0.562 |
| NOMINAL THREAD SIZE CQJX | SECOND END INCHES 0.375 |
| MATERIAL MATT | OVERALL ALUMINUM ALLOY |
| THREAD CLASS AAJD | 3A |
| REDUCER TYPE ACSP | CONCENTRIC |
| END ITEM IDENTIFICATION AGAV | HUGHES OH-6A OBSERVATION HELICOPTER |
| CONNECTION STYLE AHNC | — |
| CONNECTION TYPE AWLS | ALL ENDS THREADED EXTERNAL BOSS |
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 |
|---|---|---|
| 4730PL0973703 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| AN919-5D | 06581 | ALLAN AIRCRAFT SUPPLY CO., LLC DBA ALLAN AIRCRAFT SUPPLY |
| AN919-5D | 13899 | HYDRO-FITTING MANUFACTURING CORPORATION |
| AN919-5D | 14397 | FABER ENTERPRISES, INC. DIV FABER ENTERPRISE INC |
| AN919-5D | 14798 | DESIGNED METAL CONNECTIONS INC DBA PERMASWAGE USA DIV PERMASWAGE, A PCC COMPANY |
| AN919-5D | 17341 | TECH AERO INC |
| AN919-5D | 22995 | CROWN FITTING CO INC |
| AN919-5D | 34724 | ACRA AEROSPACE, LLC |
| AN919-5D | 71563 | COLLINS ENGINEERING CORP |
| AN919-5D | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
| AS5174D0603 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| AS5174D0603 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| SAE-AS4841 | 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
—
Purchases
0
Total spend
—
Sep 14, 2026
Last purchased
1 · 1.0/yr
Purchase records
$1,495
Total demand
$1,495
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 |
|---|---|---|---|---|
| Sep 14, 2026 | SPE7M326V4566 ↗ | INLAND MACHINE COMPANY INC. DBA INLAND MACHINE CO INC | — | $1,495 |
Demand history
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
INLAND MACHINE COMPANY INC. DBA INLAND MACHINE CO INC
last award Sep 2026
ACRA AEROSPACE, LLC
no award yet
no awards on record
Listed source AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
no award yet
no awards on record
Listed source ALLAN AIRCRAFT SUPPLY CO., LLC DBA ALLAN AIRCRAFT SUPPLY
no award yet
no awards on record
Listed source COLLINS ENGINEERING CORP
no award yet
no awards on record
Listed source CROWN FITTING CO INC
no award yet
no awards on record
Listed source DESIGNED METAL CONNECTIONS INC DBA PERMASWAGE USA DIV PERMASWAGE, A PCC COMPANY
no award yet
no awards on record
Listed source FABER ENTERPRISES, INC. DIV FABER ENTERPRISE INC
no award yet
no awards on record
Listed source INLAND MACHINE COMPANY INC. DBA INLAND MACHINE CO INC won the only award on record. INLAND MACHINE COMPANY INC. DBA INLAND MACHINE CO INC won without being a listed source.
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: 2026-10-21.
- Full methodology →
Cite this page
Citation
NSN Explorer. "REDUCER,BOSS." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-00-187-3579/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4730-00-187-3579/