Acquisition method (AMC)
1
FSC 4730 × DIFFUSER,HYDROGEN
DIFFUSER,HYDROGEN
4730-01-420-4268 FSC 4730
NSN 4730-01-420-4268 (also written 4730014204268; NIIN 01-420-4268) is a diffuser, hydrogen 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)
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 |
|---|---|
| OVERALL LENGTH ABHP | INCHES NOMINAL 6.000 |
| SPECIAL FEATURES FEAT | INCLUDES HOSE ADAPTER 1"NPT X 1" OD WITH 1-3/8 HEX,POROUS PLASTIC ELEMENT 1-1/2 DIA X 4-3/8 LONG,PLUG,1-1/2OD X 3/4 LONG,AND A HYSOL EPOXI-PATCH KIT |
| MATERIAL MATT | PLASTIC |
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 |
|---|---|---|
| 501-6938034 ASSY A | 0XPK4 | MANTECH SERVICES CORP MANTECH INTL CORP |
| 501-6938034 ASSY A | 2P229 | TECHNOLOGY MANAGEMENT CORPORATION |
| 501-6938034 ASSY A | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 6938034 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 6938034 ASSY A | 53711 | NAVAL SEA SYSTEMS COMMAND |
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
$122.16
Purchases
1
Total spend
$8,918
Sep 23, 2026
Last purchased
2 · 2.0/yr
Purchase records
$17,835
Total demand
$122.16
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 23, 2026 | 73 | $122.16 | $8,918 | POLYTECH DEFENSE SPARES LLC (4K539) | 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 |
|---|---|---|---|---|
| Sep 23, 2026 | SPE7M326V4632 ↗ | POLYTECH DEFENSE SPARES LLC | — | $8,918 |
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.
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
POLYTECH DEFENSE SPARES LLC
last award Sep 2026
MANTECH SERVICES CORP MANTECH INTL CORP
no award yet
no awards on record
Listed source NAVAL SEA SYSTEMS COMMAND
no award yet
no awards on record
Listed source TECHNOLOGY MANAGEMENT CORPORATION
no award yet
no awards on record
Listed source POLYTECH DEFENSE SPARES LLC won the only award on record. POLYTECH DEFENSE SPARES LLC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M3-26-T-8913 | Sep 11, 2026 | Sep 21, 2026 | 73 | 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: 2026-10-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "DIFFUSER,HYDROGEN." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-01-420-4268/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4730-01-420-4268/