Acquisition method (AMC)
4
FSC 4720 × HOSE,AIR DUCT
HOSE,AIR DUCT
4720-01-457-1286 FSC 4720
NSN 4720-01-457-1286 (also written 4720014571286; NIIN 01-457-1286) is a hose, air duct in Federal Supply Class 4720, Hose and Flexible Tubing. 6 manufacturer part numbers from 5 suppliers 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-2202 | 42 | Closes in 9d | Bid → |
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 4).
Suffix (AMSC)
D
Competition
Coded for a named source
AMC 4: buy directly from the actual manufacturer, first time. AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. 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 | — |
| INSIDE DIAMETER AARX | FIRST END INCHES NOMINAL 3.000 |
| MINIMUM INSIDE BENDING RADIUS ACKH | INCHES 2.500 |
| END ITEM IDENTIFICATION AGAV | 4120-01-423-0915 |
| CONNECTION TYPE AWLS | BOTH ENDS PLAIN |
| FEATURES PROVIDED CBBL | ABRASION RESISTANT |
| OPERATING PRESSURE CQQF | POUNDS PER SQUARE INCH (PSI) MAXIMUM 30.0 |
| 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 |
|---|---|---|
| 21302500 | 81518 | FLEXAUST INC |
| 21302500-2.3FT | 81518 | FLEXAUST INC |
| 5266K26 | 39428 | MCMASTER-CARR SUPPLY CO |
| 64221-2 | 5RQL2 | DRS ENVIRONMENTAL SYSTEMS INC |
| 64221-2 | 90598 | ENGINEERED AIR SYSTEMS, INC. DBA DRS SUSTAINMENT SYSTEMS |
| 64221-2 | 92878 | HDT EXPEDITIONARY SYSTEMS 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
$12.82
Purchases
1
Total spend
$538.44
Oct 21, 2026
Last purchased
2 · 2.0/yr
Purchase records
$1,077
Total demand
$12.82
Latest unit price
Purchase history
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 21, 2026 | SPE7M227V0291 ↗ | — | — | $538.44 |
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.
- 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
CAGE 239Q6
last award Oct 2026
DRS ENVIRONMENTAL SYSTEMS INC
no award yet
no awards on record
Listed source ENGINEERED AIR SYSTEMS, INC. DBA DRS SUSTAINMENT SYSTEMS
no award yet
no awards on record
Listed source FLEXAUST INC
no award yet
no awards on record
Listed source HDT EXPEDITIONARY SYSTEMS INC
no award yet
no awards on record
Listed source MCMASTER-CARR SUPPLY CO
no award yet
no awards on record
Listed source CAGE 239Q6 won the only award on record. CAGE 239Q6 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M4-27-T-2202 | Nov 5, 2026 | Nov 16, 2026 | 42 | Open | View at DIBBS → |
| SPE7M4-26-T-368N | Aug 27, 2026 | Sep 8, 2026 | 42 | 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.
- Data last refreshed: 2026-10-23.
- Full methodology →
Cite this page
Citation
NSN Explorer. "HOSE,AIR DUCT." nsnexplorer.com, https://nsnexplorer.com/nsn/4720-01-457-1286/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4720-01-457-1286/