Acquisition method (AMC)
1
FSC 4720 × HOSE,AIR DUCT
HOSE,AIR DUCT
4720-01-559-1431 FSC 4720
NSN 4720-01-559-1431 (also written 4720015591431; NIIN 01-559-1431) is a hose, air duct in Federal Supply Class 4720, Hose and Flexible Tubing. 2 manufacturer part numbers from 1 supplier are on record. The government has 1 open solicitation for it.
Open for bid
1 open solicitation on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE7M4-27-T-0286 | 12 | Closes today | Bid → |
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
G
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. 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 |
|---|---|
| CROSS-SECTIONAL SHAPE STYLE AAGR | — |
| WALL THICKNESS AAGT | INCHES NOMINAL 0.065 |
| INSIDE DIAMETER AARX | BOTH ENDS INCHES NOMINAL 1.500 |
| OUTSIDE DIAMETER ABKV | BOTH ENDS INCHES NOMINAL 1.630 |
| MINIMUM INSIDE BENDING RADIUS ACKH | INCHES 1.500 |
| END ITEM IDENTIFICATION AGAV | HH/UH1 HELICOPTER |
| END OVERALL LENGTH AGQM | SECOND END INCHES NOMINAL 1.250 |
| CONNECTION STYLE AHNC | — |
| CONNECTION TYPE AWLS | FIRST END PLAIN |
| CONNECTION TYPE AWLS | SECOND END SOFT |
| END INSIDE DIAMETER CPYG | BOTH ENDS INCHES NOMINAL 1.500 |
| OPERATING PRESSURE CQQF | EXTERNAL POUNDS PER SQUARE INCH (PSI) NOMINAL 4.5 |
| OPERATING PRESSURE CQQF | LOCATION NOT OTHERWISE SPECIFIED POUNDS PER SQUARE INCH (PSI) MAXIMUM 4.0 |
| MEASURING METHOD AND LENGTH CRXX | INCHES NOMINAL OVERALL 7.500 |
| MATERIAL MATT | FIRST PLY FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR |
| MATERIAL MATT | REINFORCING CORD FIBERGLASS |
| MATERIAL MATT | REINFORCING WIRE STEEL |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | REINFORCING CORD MIL SPEC SINGLE MATERIAL RESPONSE -IL-Y-1140 |
| STYLE DESIGNATOR STYL | — |
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 |
|---|---|---|
| NAS1369 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
| NAS1375C08CA030 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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 — 1 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-0286 | Oct 7, 2026 | Oct 19, 2026 | 12 | 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 10, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "HOSE,AIR DUCT." nsnexplorer.com, https://nsnexplorer.com/nsn/4720-01-559-1431/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4720-01-559-1431/