Acquisition method (AMC)
1
FSC 4730 × COUPLING,TUBE
COUPLING,TUBE
4730-01-052-9952 FSC 4730
NSN 4730-01-052-9952 (also written 4730010529952; NIIN 01-052-9952) is a coupling, tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 7 manufacturer part numbers from 4 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)
R
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. 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 | 3B |
| CONNECTION STYLE AHNC | — |
| CONNECTION TYPE AWLS | FIRST END THREADED INTERNAL TUBE |
| CONNECTION TYPE AWLS | SECOND END UNTHREADED INTERNAL TUBE |
| THREAD QUANTITY PER INCH CMLP | 16 |
| NOMINAL THREAD SIZE CQJX | FIRST END INCHES 1.000 |
| SEAT ANGLE CQRB | FIRST END DEGREES 37.0 |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD | ALL ENDS INCHES 0.250 |
| TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED CWFK | SECOND END INCHES 0.113 |
| NOMINAL OVERALL LENGTH CWFR | INCHES 2.462 |
| SPECIAL FEATURES FEAT | THE SLEEVE IS POLYTETRAFLUOROETHYLENE COATED GREEN PER DEUTSCH SPEC DPS1-10-14-01-02,0.190/0.240 IN. LG |
| MATERIAL MATT | BODY STEEL COMP 316 AND TITANIUM |
| SURFACE TREATMENT SFTT | OVERALL PASSIVATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--35 QQ--35 |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | FIRST END UNJS |
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 |
|---|---|---|
| 4730-058 | S7549 | AEROSPACE INDUSTRIAL DEVELOPMENT CORPORATION |
| 4730-058T4 | S7549 | AEROSPACE INDUSTRIAL DEVELOPMENT CORPORATION |
| AP12102-T04 | 01673 | SPS TECHNOLOGIES, LLC DBA AIRDROME PRECISION COMPONENTS |
| C7867 | 81755 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY |
| C7867-4 | 81755 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY |
| D11200T-04 | 14798 | DESIGNED METAL CONNECTIONS INC DBA PERMASWAGE USA DIV PERMASWAGE, A PCC COMPANY |
| D11200T-4 | 14798 | DESIGNED METAL CONNECTIONS INC DBA PERMASWAGE USA DIV PERMASWAGE, A PCC COMPANY |
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
—
Oct 16, 2026
Last purchased
1 · 1.0/yr
Purchase records
$24,375
Total demand
$24,375
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 |
|---|---|---|---|---|
| Oct 16, 2026 | SPE7M326P0343 ↗ | DON INDUSTRIAL GROUP LLC | — | $24,375 |
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
DON INDUSTRIAL GROUP LLC
last award Oct 2026
AEROSPACE INDUSTRIAL DEVELOPMENT CORPORATION
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 LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY
no award yet
no awards on record
Listed source SPS TECHNOLOGIES, LLC DBA AIRDROME PRECISION COMPONENTS
no award yet
no awards on record
Listed source DON INDUSTRIAL GROUP LLC won the only award on record. DON INDUSTRIAL GROUP LLC 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 17, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-17.
- Full methodology →
Cite this page
Citation
NSN Explorer. "COUPLING,TUBE." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-01-052-9952/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4730-01-052-9952/