Acquisition method (AMC)
3
FSC 4720 × HOSE ASSEMBLY,AIR DUCT
HOSE ASSEMBLY,AIR DUCT
4720-00-555-1845 FSC 4720
NSN 4720-00-555-1845 (also written 4720005551845; NIIN 00-555-1845) is a hose assembly, air duct in Federal Supply Class 4720, Hose and Flexible Tubing. 2 manufacturer part numbers from 2 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 to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
C
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. 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 |
|---|---|
| INSIDE DIAMETER AARX | FIRST END INCHES NOMINAL 4.720 |
| HOSE WEIGHT AMPY | OUNCES PER LINEAR FOOT 11.280 |
| CONNECTION TYPE AWLS | SECOND END COUPLING |
| CROSS-SECTIONAL SHAPE STYLE AAGR | — |
| MEASURING METHOD AND LENGTH CRXX | INCHES NOMINAL OVERALL 2.500 |
| STYLE DESIGNATOR STYL | — |
| WALL THICKNESS AAGT | INCHES NOMINAL 0.500 |
| FEATURES PROVIDED CBBL | OZONE RESISTANT |
| COUPLING STYLE CXMG | — |
| MATERIAL MATT | FIRST PLY FIBERGLASS AND RUBBER SILICONE CLASS Q |
| MATERIAL MATT | SECOND PLY FIBERGLASS AND RUBBER SILICONE CLASS Q |
| CONNECTION TYPE AWLS | FIRST END COUPLING |
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 |
|---|---|---|
| 711128 | 70628 | ARROWHEAD PRODUCTS CORP |
| 711128 | 76680 | FEDERAL-MOGUL CORP CHASSIS PRODUCTS DIV |
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
$2,614.00
Purchases
2
Total spend
$30,554
Oct 16, 2026
Last purchased
5 · 5.0/yr
Purchase records
$95,098
Total demand
$2,614.00
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 16, 2026 | 7 | $2,614.00 | $18,298 | S3 AERODEFENSE LLC (4GPC1) | Unknown | Source ↗ |
| Aug 13, 2026 | 4 | $3,064.00 | $12,256 | S3 AERODEFENSE LLC (4GPC1) | Unknown | Source ↗ |
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 |
|---|---|---|---|---|
| Aug 5, 2026 | SPE7M426V4993 ↗ | S3 AERODEFENSE LLC | — | $33,990 |
| Aug 13, 2026 | SPE7M426V5141 ↗ | S3 AERODEFENSE LLC | — | $12,256 |
| Oct 16, 2026 | SPE7M427V0340 ↗ | S3 AERODEFENSE LLC | — | $18,298 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 6 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.
Time from solicitation to award
How long does a buy take from posting to award? One bar per past award that matches a solicitation.
- Open for quotes
- Closed, awaiting award
The typical buy took 8 days from posting to award.
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
S3 AERODEFENSE LLC
last award Oct 2026
ARROWHEAD PRODUCTS CORP
no award yet
no awards on record
Listed source FEDERAL-MOGUL CORP CHASSIS PRODUCTS DIV
no award yet
no awards on record
Listed source S3 AERODEFENSE LLC won 2 of the last 2 awards. S3 AERODEFENSE LLC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M4-27-T-1593 | Oct 23, 2026 | Nov 2, 2026 | 8 | Expired | View at DIBBS → |
| SPE7M4-27-T-0183 | Oct 6, 2026 | Oct 16, 2026 | 7 | Expired | View at DIBBS → |
| SPE7M4-26-T-454F | Sep 30, 2026 | Oct 13, 2026 | 5 | Expired | View at DIBBS → |
| SPE7M4-26-T-423S | Sep 18, 2026 | Oct 1, 2026 | 1 | Expired | View at DIBBS → |
| SPE7M4-26-T-358S | Aug 21, 2026 | Sep 9, 2026 | 1 | Cancelled | View at DIBBS → |
| SPE7M4-26-T-317A | Aug 7, 2026 | Aug 17, 2026 | 4 | 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: 2026-11-06.
- Full methodology →
Cite this page
Citation
NSN Explorer. "HOSE ASSEMBLY,AIR DUCT." nsnexplorer.com, https://nsnexplorer.com/nsn/4720-00-555-1845/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4720-00-555-1845/