Acquisition method (AMC)
1
FSC 4730 × ADAPTER,STRAIGHT,TUBE TO BOSS
ADAPTER,STRAIGHT,TUBE TO BOSS
4730-00-186-9503 FSC 4730
NSN 4730-00-186-9503 (also written 4730001869503; NIIN 00-186-9503) is an adapter, straight, tube to boss in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 6 manufacturer part numbers from 4 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 1.547 |
| MATERIAL MATT | OVERALL ALUMINUM ALLOY |
| THREAD SERIES DESIGNATOR THSD | ALL ENDS UNIFIED NATIONAL JOINT FINE (UNJF) |
| SPECIFICATION/STANDARD DATA ZZZK | PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 81343-AS4875 TO 1 |
| CONNECTION TYPE AWLS | SECOND END THREADED INTERNAL BOSS |
| NOMINAL THREAD SIZE CQJX | FIRST END INCHES 0.500 |
| SEAT ANGLE CQRB | FIRST END DEGREES 37.0 |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD | FIRST END INCHES 0.312 |
| THREAD CLASS AAJD | 3A |
| THREAD CLASS AAJD | 3B |
| CONNECTION STYLE AHNC | — |
| CONNECTION TYPE AWLS | FIRST END THREADED EXTERNAL TUBE |
| NOMINAL THREAD SIZE CQJX | SECOND END INCHES 0.750 |
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 |
|---|---|---|
| AN894D8-5 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
| AS4875/1 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| AS4875/1 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS5173D0805 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| MIL-F-5509 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| SAE-AS4875/1 | 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
$10,000
Total demand
$10,000
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 | SPE7M126V135H ↗ | HYDRO-FITTING MANUFACTURING CORPORATION | — | $10,000 |
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
HYDRO-FITTING MANUFACTURING CORPORATION
last award Sep 2026
AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
no award yet
no awards on record
Listed source MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES 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 HYDRO-FITTING MANUFACTURING CORPORATION won the only award on record. HYDRO-FITTING MANUFACTURING CORPORATION 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. "ADAPTER,STRAIGHT,TUBE TO BOSS." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-00-186-9503/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4730-00-186-9503/