Acquisition method (AMC)
1
FSC 4730 × RESTRICTOR UNIT,FLUID FLOW
RESTRICTOR UNIT,FLUID FLOW
4730-01-173-4302 FSC 4730
NSN 4730-01-173-4302 (also written 4730011734302; NIIN 01-173-4302) is a restrictor unit, fluid flow in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 5 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.
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)
L
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC L: annual buy value is below the screening threshold. 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 |
|---|---|
| THREAD CLASS AAJD | 3A |
| THREAD DIRECTION AAJF | SECOND CONNECTION RIGHT-HAND |
| THREAD DIRECTION AAJF | FIRST CONNECTION RIGHT-HAND |
| OVERALL LENGTH ABHP | INCHES MINIMUM 0.912 AND INCHES MAXIMUM 0.942 |
| THREAD SIZE DESIGNATOR ABVK | 7/16-20 |
| THREAD SIZE DESIGNATOR ABVK | 9/16-20 |
| END ITEM IDENTIFICATION AGAV | 55N AIRCRAFT, HARRIER AV-8B |
| DESIGN TYPE APGF | STRAIGHT |
| END CONNECTION TYPE AWZY | FIRST CONNECTION THREADED MALE TUBE |
| END CONNECTION TYPE AWZY | SECOND CONNECTION THREADED MALE GASKET SEAL |
| END CONNECTION SIMILARITY AXAL | NOT IDENTICAL |
| PRESSURE RATING BGST | POUNDS PER SQUARE INCH (PSI) NOMINAL 3000.0 |
| THREAD SERIES BZRR | SECOND CONNECTION UNF |
| THREAD SERIES BZRR | FIRST CONNECTION UNS |
| FLOW RATE AND FLUID TYPE CWRR | GALLONS PER MINUTE OIL 0.75 |
| MATERIAL MATT | SCREENING STEEL CORROSION RESISTING |
| MATERIAL MATT | BODY TITANIUM ALLOY UNS R56400 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | LOCATION NOT OTHERWISE SPECIFIED ASSN STD SINGLE MATERIAL RESPONSE A-S 4965 |
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 |
|---|---|---|
| 6F3308 | 99240 | CRISSAIR INC DIV ESCO TECHNOLOGIES |
| 7M572 | 76301 | THE BOEING COMPANY DIV DEFENSE |
| 7M572-2 | 76301 | THE BOEING COMPANY DIV DEFENSE |
| JETX0504450A | 92555 | THE LEE CO DBA THE LEE CO |
| JETX0504450AA | 92555 | THE LEE CO DBA THE LEE CO |
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
—
Sep 28, 2026
Last purchased
1 · 1.0/yr
Purchase records
$5,895
Total demand
$5,895
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.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Sep 28, 2026 | SPE7M326P1717 ↗ | — | — | $5,895 |
Demand history
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 0GQ52
last award Sep 2026
CRISSAIR INC DIV ESCO TECHNOLOGIES
no award yet
no awards on record
Listed source THE BOEING COMPANY DIV DEFENSE
no award yet
no awards on record
Listed source THE LEE CO DBA THE LEE CO
no award yet
no awards on record
Listed source CAGE 0GQ52 won the only award on record. CAGE 0GQ52 won without being a listed source.
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: 2026-09-29.
- Full methodology →
Cite this page
Citation
NSN Explorer. "RESTRICTOR UNIT,FLUID FLOW." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-01-173-4302/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4730-01-173-4302/