Acquisition method (AMC)
1
FSC 4730 × REDUCER,BOSS
REDUCER,BOSS
4730-00-187-3575 FSC 4730
NSN 4730-00-187-3575 (also written 4730001873575; NIIN 00-187-3575) is a reducer, boss in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 23 manufacturer part numbers from 17 suppliers are on record. No purchases are on record yet.
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 |
|---|---|
| THREAD CLASS AAJD | 3A |
| CRITICALITY CODE JUSTIFICATION CRTL | FEAT |
| MATERIAL MATT | OVERALL ALUMINUM ALLOY 2014 |
| NOMINAL THREAD SIZE CQJX | SECOND END INCHES 0.312 |
| CONNECTION STYLE AHNC | — |
| CONNECTION TYPE AWLS | ALL ENDS THREADED EXTERNAL BOSS |
| NOMINAL THREAD SIZE CQJX | FIRST END INCHES 0.438 |
| SPECIFICATION/STANDARD DATA ZZZK | GOVERNMENT STANDARD 88044-AN919 AN919 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-A-225 TO 4,T4 QQ-A-225 |
| SURFACE TREATMENT SFTT | OVERALL ANODIZE |
| THREAD SERIES DESIGNATOR THSD | ALL ENDS UNF |
| FURNISHED ITEMS AND QUANTITY TMQY | PREFORMED PACKING 2 |
| REDUCER TYPE ACSP | CONCENTRIC |
| NOMINAL OVERALL LENGTH CWFR | INCHES 1.250 |
| SPECIAL FEATURES FEAT | WEAPON SYSTEM ESSENTIAL |
| END ITEM IDENTIFICATION AGAV | ATTACK HELICOPTER MODEL AH-1S;AIRCRAFT STRATOLIFTER C-135 |
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 |
|---|---|---|
| 10438950 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
| 110-033-1 | 97499 | BELL TEXTRON INC |
| 273-0089-002 | 94756 | THE BOEING COMPANY DIV LEGACY BOEING HB1 |
| 7M637DA-1D | 01673 | SPS TECHNOLOGIES, LLC DBA AIRDROME PRECISION COMPONENTS |
| 7M637DA-1D | 14798 | DESIGNED METAL CONNECTIONS INC DBA PERMASWAGE USA DIV PERMASWAGE, A PCC COMPANY |
| 7M637DA-1D | 52930 | NELSON AERO SPACE, INC. |
| 8071598 | 18876 | US ARMY AVIATION AND MISSILE COMMAND |
| AN919-1D | 00624 | EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION |
| AN919-1D | 06581 | ALLAN AIRCRAFT SUPPLY CO., LLC DBA ALLAN AIRCRAFT SUPPLY |
| AN919-1D | 13899 | HYDRO-FITTING MANUFACTURING CORPORATION |
| AN919-1D | 14397 | FABER ENTERPRISES, INC. DIV FABER ENTERPRISE INC |
| AN919-1D | 14798 | DESIGNED METAL CONNECTIONS INC DBA PERMASWAGE USA DIV PERMASWAGE, A PCC COMPANY |
| AN919-1D | 22995 | CROWN FITTING CO INC |
| AN919-1D | 71563 | COLLINS ENGINEERING CORP |
| AN919-1D | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
| AN919-1D | R1120 | SATAIR A/S |
| AS4841 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| AS4841 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS5174 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| AS5174 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS5174D0402 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| AS5174D0402 | 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
—
—
Last purchased
—
Purchase records
—
Total demand
—
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.
No related contract actions on record.
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.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M4-26-T-322Y | Aug 7, 2026 | Aug 17, 2026 | 956 | 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.
- Full methodology →
Cite this page
Citation
NSN Explorer. "REDUCER,BOSS." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-00-187-3575/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4730-00-187-3575/