NSN catalog · 90,963 partsCatalog › Pumps and Compressors › FSC 4320 › 4320-01-221-1637
Pump Piston P/N 08-4550-01
In stock — 34 on our U.S. shelfNSN 4320-01-221-1637 4320012211637 NIIN 012211637
SECO Parts has 34 in stock of NSN 4320-01-221-1637 — Pump Piston — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Government catalog (FEDLOG) price: $127.68 per each — a public reference, not our price. We quote each request, usually the same business day, and surplus parts often quote below or above it.
One part, one step — answered within one business day. Several parts? and send them together.
- Ships in 1–3 business days from Augusta, GA
- Certificate of Conformance on request
- PO, GPC & major cards
- $50 minimum order — smaller requests still get a quote
- 30-day returns · terms
- FLIS item name
- PISTON,PUMP
- Federal supply class
- FSC 4320 — Power and Hand Pumps
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 34 |
| Total | 34 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
4320-01-221-1637 012211637 08-4550-01 B21B
Get a quote
Build a list across as many parts as you need, send it once, get one quote back — answered within one business day, usually the same day. POs and GPC welcome. $50 minimum order.
More to tell us? Need-by date, ship-to, your own RFQ document
Specifications
- Overall height
- 2.000 in (nominal)
- Diameter
- 6.000 in (nominal)
- Oil groove
- Not Included
- Retaining ring groove
- Not Included
- Pin
- Not Included
- Ring
- Not Included
- Integral connecting rod
- Not Included
- Material
- Aluminum
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
08-4550-01 B21B
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Source of supply | SMS DLA Land and Maritime, Columbus, Ohio |
| Acquisition advice code | J Not stocked, centrally procured — the government does not stock this item; it is procured only when a requisition arrives. SECO has 34 on the shelf |
| Unit of issue | EA each |
| Demilitarization code | A Demilitarization not required — non-munitions-list item |
| Controlled inventory code | U Unclassified |
| Hazardous material indicator | N No hazardous material |
Source: public FLIS/PUB LOG cataloging data.
Why buy from SECO
These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.
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FAQ
What is NSN 4320-01-221-1637?
NSN 4320-01-221-1637 (4320012211637) — Pump Piston: SECO Parts has 34 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for pump piston in federal supply class 4320 (Power and Hand Pumps).
Is NSN 4320-01-221-1637 available?
SECO Parts has 34 in stock in Augusta, GA — order or request a quote below.
How much does NSN 4320-01-221-1637 cost?
The government catalog (FEDLOG) lists NSN 4320-01-221-1637 at $127.68 per each. That is a public reference, not SECO's price: SECO quotes each request, usually the same business day, and surplus parts often quote below or above it.
What part numbers cross-reference to NSN 4320-01-221-1637?
Part numbers that cross-reference this NSN include 08-4550-01, B21B. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names PISTON,PUMP. Same name is not the same part: check the part numbers.