Acquisition method (AMC)
1
FSC 4320 × SEAL ASSEMBLY,SHAFT,SPRING LOADE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
4320-01-279-2321 FSC 4320
NSN 4320-01-279-2321 (also written 4320012792321; NIIN 01-279-2321) is a seal assembly, shaft, spring loade in Federal Supply Class 4320, Power and Hand Pumps. 6 manufacturer part numbers from 3 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 | |
|---|---|---|---|
| SPE7M1-27-T-2114 | 58 | Closes in 9d | Bid → |
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
P
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC P: the government does not own the rights to the data needed for more sources. 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.
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 |
|---|---|---|
| 335159 | 07524 | DOVER PUMPS & PROCESS SOLUTIONS SEGMENT INC DBA BLACKMER DIV BLACKMER |
| 335160 | 07524 | DOVER PUMPS & PROCESS SOLUTIONS SEGMENT INC DBA BLACKMER DIV BLACKMER |
| 930776 | 07524 | DOVER PUMPS & PROCESS SOLUTIONS SEGMENT INC DBA BLACKMER DIV BLACKMER |
| E-4505 ITEM 153C | 07524 | DOVER PUMPS & PROCESS SOLUTIONS SEGMENT INC DBA BLACKMER DIV BLACKMER |
| LO-8504 REV E | 09456 | TECHNETICS GROUP CHICAGO LLC |
| PFS-2321-21 REV C | 1ED54 | ADVANCED SEAL TECHNOLOGY 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
$933.15
Purchases
1
Total spend
$16,797
Aug 27, 2026
Last purchased
3 · 3.0/yr
Purchase records
$54,427
Total demand
$933.15
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 |
|---|---|---|---|---|
| Aug 5, 2026 | SPE7M126P8818 ↗ | — | — | $20,834 |
| Aug 27, 2026 | SPE7M126P9886 ↗ | — | — | $16,797 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 3 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 7VKN1
last award Aug 2026
ADVANCED SEAL TECHNOLOGY INC
no award yet
no awards on record
Listed source DOVER PUMPS & PROCESS SOLUTIONS SEGMENT INC DBA BLACKMER DIV BLACKMER
no award yet
no awards on record
Listed source TECHNETICS GROUP CHICAGO LLC
no award yet
no awards on record
Listed source CAGE 7VKN1 won the only award on record. CAGE 7VKN1 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M1-27-T-2114 | Nov 6, 2026 | Nov 16, 2026 | 58 | Open | View at DIBBS → |
| SPE7M1-26-U-6285 | Sep 22, 2026 | Oct 9, 2026 | 99 | Expired | View at DIBBS → |
| SPE7M1-26-T-262U | Aug 7, 2026 | Aug 17, 2026 | 18 | 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. "SEAL ASSEMBLY,SHAFT,SPRING LOADE." nsnexplorer.com, https://nsnexplorer.com/nsn/4320-01-279-2321/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4320-01-279-2321/