Acquisition method (AMC)
3
FSC 4730 × COUPLING HALF,QUICK DISCONNECT
COUPLING HALF,QUICK DISCONNECT
4730-01-183-3571 FSC 4730
NSN 4730-01-183-3571 (also written 4730011833571; NIIN 01-183-3571) is a coupling half, quick disconnect in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 2 manufacturer part numbers from 2 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 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 |
|---|---|
| OVERALL LENGTH ABHP | INCHES NOMINAL 2.720 |
| QUICK DISCONNECT METHOD ADLN | ALL ENDS PUSH-PULL |
| CONNECTION STYLE AHNC | — |
| LEG LENGTH AHSJ | INCHES MINIMUM 0.810 AND INCHES MAXIMUM 0.980 |
| CONNECTION TYPE AWLS | FIRST FLUID END CONNECTION THREADED EXTERNAL PIPE |
| CONNECTION TYPE AWLS | ALL ENDS QUICK DISCONNECT EXTERNAL |
| FEATURES PROVIDED CBBL | SELF-SEALING |
| NOMINAL THREAD SIZE CQJX | ALL ENDS INCHES 1.250 |
| MATERIAL MATT | BODY COPPER ALLOY |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | ALL ENDS NPT |
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 |
|---|---|---|
| B10-T40 | 73992 | TUTHILL CORP HANSEN COUPLING DIV |
| BST-N10M | 98111 | PEAT MFG CO DIV OF CRAGER INDUSTRIES INC |
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
$82.10
Purchases
1
Total spend
$1,314
Sep 28, 2026
Last purchased
2 · 2.0/yr
Purchase records
$2,627
Total demand
$82.10
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 28, 2026 | 16 | $82.10 | $1,314 | APEX PINNACLE CORP (0REY5) | 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 |
|---|---|---|---|---|
| Sep 28, 2026 | SPE7M326V4787 ↗ | APEX PINNACLE CORP | — | $1,314 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 3 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
- Solicitation posted
- Award made
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
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
APEX PINNACLE CORP
last award Sep 2026
PEAT MFG CO DIV OF CRAGER INDUSTRIES INC
no award yet
no awards on record
Listed source TUTHILL CORP HANSEN COUPLING DIV
no award yet
no awards on record
Listed source APEX PINNACLE CORP won the only award on record. APEX PINNACLE CORP won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M3-27-T-0166 | Oct 8, 2026 | Oct 19, 2026 | 13 | Cancelled | View at DIBBS → |
| SPE7M3-26-T-9258 | Sep 21, 2026 | Oct 1, 2026 | 16 | Expired | View at DIBBS → |
| SPE7M3-26-T-8653 | Aug 27, 2026 | Sep 8, 2026 | 8 | 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 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "COUPLING HALF,QUICK DISCONNECT." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-01-183-3571/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4730-01-183-3571/