Acquisition method (AMC)
3
FSC 4920 × PRESSURE BULB ASSEMBLY
PRESSURE BULB ASSEMBLY
4920-01-502-2944 FSC 4920
NSN 4920-01-502-2944 (also written 4920015022944; NIIN 01-502-2944) is a pressure bulb assembly in Federal Supply Class 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. 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-1339 | 16 | Closes in 7d | Bid → |
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 |
|---|---|
| END ITEM IDENTIFICATION AGAV | F-15 AIRCRAFT |
| SPECIAL FEATURES FEAT | USED ON LITTON P/N 3300223-6002, TESTER, FIELD, PBG OXYGEN REGULATOR (PNEUMATIC) CAGE CODE 99251 |
| PROPRIETARY CHARACTERISTICS PRPY | PACS |
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 |
|---|---|---|
| 3308337 | 99251 | MISSION SYSTEMS DAVENPORT INC. |
| 3308337-1 | 99251 | MISSION SYSTEMS DAVENPORT 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
—
Purchases
0
Total spend
—
Sep 24, 2026
Last purchased
1 · 1.0/yr
Purchase records
$78,187
Total demand
$78,187
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 24, 2026 | SPE7L126P9F90 ↗ | ECI DEFENSE GROUP, INC. DIV ECI-GA | — | $78,187 |
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
ECI DEFENSE GROUP, INC. DIV ECI-GA
last award Sep 2026
MISSION SYSTEMS DAVENPORT INC.
no award yet
no awards on record
Listed source ECI DEFENSE GROUP, INC. DIV ECI-GA won the only award on record. ECI DEFENSE GROUP, INC. DIV ECI-GA won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M4-27-T-1339 | Oct 16, 2026 | Oct 26, 2026 | 16 | 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.
- Data last refreshed: 2026-09-27.
- Full methodology →
Cite this page
Citation
NSN Explorer. "PRESSURE BULB ASSEMBLY." nsnexplorer.com, https://nsnexplorer.com/nsn/4920-01-502-2944/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4920-01-502-2944/