Acquisition method (AMC)
1
FSC 4730 × TEE,TUBE TO BOSS
TEE,TUBE TO BOSS
4730-01-558-9653 FSC 4730
NSN 4730-01-558-9653 (also written 4730015589653; NIIN 01-558-9653) is a tee, tube to boss in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 9 manufacturer part numbers from 3 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 |
|---|---|
| CONNECTION TYPE AWLS | FIRST END THREADED INTERNAL BOSS |
| THREAD SERIES DESIGNATOR THSD | THIRD END UNIFIED NATIONAL JOINT FINE (UNJF) |
| LEG LENGTH AHSJ | THIRD END INCHES NOMINAL 0.438 |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD | FIRST END INCHES 0.312 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | TEE,BULKHEAD,FLARELESS TUBE,INTERNAL THREAD ON RUN |
| MATERIAL MATT | OVERALL ALUMINUM ALLOY |
| THREAD SERIES DESIGNATOR THSD | FIRST END UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD SERIES DESIGNATOR THSD | SECOND END UNIFIED NATIONAL JOINT FINE (UNJF) |
| LEG LENGTH AHSJ | SECOND END INCHES NOMINAL 1.672 |
| NOMINAL THREAD SIZE CQJX | THIRD END INCHES 0.500 |
| SEAT ANGLE CQRB | FIRST END DEGREES 24.0 |
| END ITEM IDENTIFICATION AGAV | UH-1 HELICOPTER |
| CONNECTION STYLE AHNC | — |
| LEG LENGTH AHSJ | FIRST END INCHES NOMINAL 0.750 |
| NOMINAL THREAD SIZE CQJX | SECOND END INCHES 0.500 |
| THREAD CLASS AAJD | 3A |
| NOMINAL THREAD SIZE CQJX | FIRST END INCHES 0.500 |
| THREAD CLASS AAJD | 34 |
| CONNECTION TYPE AWLS | THIRD END THREADED EXTERNAL TUBE |
| CONNECTION TYPE AWLS | SECOND END THREADED EXTERNAL TUBE |
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 |
|---|---|---|
| AS18280 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| AS18280 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS21911 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| AS21911 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| MS21911 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| MS21911W5 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| MS21911W5 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
| MS21911W5 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| SAE-AS18280 | 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.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M3-27-T-0385 | Oct 13, 2026 | Oct 23, 2026 | 2 | Expired | View at DIBBS → |
| SPE7M3-26-T-9052 | Sep 11, 2026 | Sep 21, 2026 | 1 | 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. "TEE,TUBE TO BOSS." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-01-558-9653/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4730-01-558-9653/