Acquisition method (AMC)
1
FSC 4730 × ADAPTER,STRAIGHT,FLANGE TO TUBE
ADAPTER,STRAIGHT,FLANGE TO TUBE
4730-00-639-9023 FSC 4730
NSN 4730-00-639-9023 (also written 4730006399023; NIIN 00-639-9023) is an adapter, straight, flange to tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 8 manufacturer part numbers from 5 suppliers are on record. The government has 2 open solicitations for it.
Open for bid
2 open solicitations on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE7M5-27-T-1600 | 71 | Closes in 2d | Bid → |
| SPE7M4-27-T-2534 | 201 | Closes in 9d | Bid → |
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 |
|---|---|
| RAISED FACE NOMINAL DIAMETER CWDL | SECOND END INCHES 2.123 |
| NOMINAL LENGTH AKGG | SECOND END INCHES 2.375 |
| SEAT ANGLE CQRB | FIRST END DEGREES 37.0 |
| NOMINAL THICKNESS CWCK | SECOND END INCHES 0.297 |
| BOLT HOLE NOMINAL DIAMETER CWCQ | SECOND END INCHES 0.271 |
| CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH CWDC | SECOND END INCHES 1.812 |
| FLANGE FACE DESIGN CWDF | SECOND END RAISED STRAIGHT |
| RAISED FACE NOMINAL HEIGHT CWDH | SECOND END INCHES 0.015 |
| FLANGE SHAPE ARKN | SECOND END RECTANGULAR WITH HOLES |
| CONNECTION TYPE AWLS | FIRST END THREADED EXTERNAL TUBE |
| CONNECTION TYPE AWLS | SECOND END FLANGE |
| SPECIFICATION/STANDARD DATA ZZZK | PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 81343-AS4875 TO 1 |
| NOMINAL THREAD SIZE CQJX | FIRST END INCHES 1.875 |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD | FIRST END INCHES 1.500 |
| NOMINAL OVERALL LENGTH CWFR | INCHES 1.750 |
| MATERIAL MATT | OVERALL ALUMINUM ALLOY |
| THREAD CLASS AAJD | 3A |
| BOLT HOLE QUANTITY AECS | 4 |
| CONNECTION STYLE AHNC | — |
| NOMINAL WIDTH AKGF | SECOND END INCHES 2.375 |
| SURFACE TREATMENT SFTT | INSIDE ANODIZE |
| CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH CWCY | SECOND END INCHES 1.812 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | INSIDE MIL SPEC SINGLE TREATMENT RESPONSE -IL-A-8625,TY 2 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OUTSIDE MIL SPEC SINGLE TREATMENT RESPONSE -IL-A-8625,TYE 2 |
| THREAD SERIES DESIGNATOR THSD | FIRST END UN |
| THREAD QUANTITY PER INCH CMLP | 12 |
| SURFACE TREATMENT SFTT | OUTSIDE ANODIZE |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-A-367 QQ-A-367 |
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 |
|---|---|---|
| AN760D24 | 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 |
| AS4875/1/D24 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| AS4875/1/D24 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| MIL-F-5509 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| MS20760-D24 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS 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
—
—
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 — 2 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 | |
|---|---|---|---|---|---|
| SPE7M4-27-T-2534 | Nov 6, 2026 | Nov 16, 2026 | 201 | Open | View at DIBBS → |
| SPE7M5-27-T-1600 | Oct 28, 2026 | Nov 9, 2026 | 71 | Open | 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 28, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "ADAPTER,STRAIGHT,FLANGE TO TUBE." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-00-639-9023/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4730-00-639-9023/