Acquisition method (AMC)
3
FSC 4320 × IDLER,PUMP
IDLER,PUMP
4320-01-029-4301 FSC 4320
NSN 4320-01-029-4301 (also written 4320010294301; NIIN 01-029-4301) is an idler, pump in Federal Supply Class 4320, Power and Hand Pumps. 8 manufacturer part numbers from 2 suppliers are on record. The government has 2 open solicitations for it.
Open for bid
2 open solicitations on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE7M1-27-T-1716 | 2 | Closes in 2d | Bid → |
| SPE7M1-27-T-2054 | 3 | Closes in 9d | Bid → |
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
R
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. 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 |
|---|---|
| GENERAL CHARACTERISTICS ITEM DESCRIPTION TEXT | STEEL,QQ-S-637 COMP 1144 COND QTCDSR OR AISI C1144 MODIFIED,19.785 IN. O/A LG,2.7746 IN. MAX OD,EACH END 0.845 IN. OD BY 2-1/4 IN. LG QQ-S-637 |
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 |
|---|---|---|
| RSC462MA | 16712 | SIEMENS ENERGY, INC. |
| RSC462MA | 59180 | CIRCOR PUMPS NORTH AMERICA LLC |
| SF-10466 | 16712 | SIEMENS ENERGY, INC. |
| SF-10466PC019 | 16712 | SIEMENS ENERGY, INC. |
| SF-10466PC019 | 59180 | CIRCOR PUMPS NORTH AMERICA LLC |
| SF-10470 | 16712 | SIEMENS ENERGY, INC. |
| SF-10470PC019 | 16712 | SIEMENS ENERGY, INC. |
| SF-10470PC019 | 59180 | CIRCOR PUMPS NORTH AMERICA LLC |
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
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Purchases
0
Total spend
—
—
Last purchased
—
Purchase records
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Total demand
—
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.
No related contract actions on record.
Demand history
Every solicitation we've indexed for this NSN, open and closed — 2 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M1-27-T-2054 | Nov 6, 2026 | Nov 16, 2026 | 3 | Open | View at DIBBS → |
| SPE7M1-27-T-1716 | Oct 29, 2026 | Nov 9, 2026 | 2 | 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 Nov 1, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "IDLER,PUMP." nsnexplorer.com, https://nsnexplorer.com/nsn/4320-01-029-4301/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4320-01-029-4301/