NSN 4320-01-699-6637 · NIIN 016996637 · Part number 12638404
U S Army Tank Automotive Command Amsta-Im-Mm · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 19207
Government record, cited
NSN 4320-01-699-6637 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-699-6637. Manufacturer of record part number: 12638404.
Also searched as4320-01-699-6637 ·
4320016996637 ·
NIIN 016996637 ·
01-699-6637 ·
FSC 4320 Power and Hand Pumps · CAGE 19207 · 12638404
Manufacturer of record: U S Army Tank Automotive Command Amsta-Im-Mm
Identification
NSN: 4320-01-699-6637
NIIN: 016996637
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 12638404
Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description
The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-699-6637, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4320-01-699-6637
Primary Part Number
12638404
Item Name
Pump Unit,centrifugal
FSC / FSG
4320 / 43 — Power and Hand Pumps
Manufacturer
U S Army Tank Automotive Command Amsta-Im-Mm
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-700-4140POSSIBLE MATCH
COUPLING HALF,QUICK DISCONNECT
Possible match (shared part number)
5306-01-700-42306851448822 STUDPOSSIBLE MATCH
ROD,THREADED END
Possible match (shared part number)Lovejoy, Llc Div Lovejoy
4730-01-700-42968048-300POSSIBLE MATCH
NIPPLE,PIPE
Possible match (shared part number)Esab North America Inc
3010-01-700-643268514448214POSSIBLE MATCH
COUPLING HALF,SHAFT
Possible match (shared part number)Lovejoy, Llc Div Lovejoy
U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
4730-01-700-4140POSSIBLE MATCH
COUPLING HALF,QUICK DISCONNECT
5306-01-700-4230POSSIBLE MATCH
ROD,THREADED END
6851448822 STUD
4730-01-700-4296POSSIBLE MATCH
NIPPLE,PIPE
8048-300
3010-01-700-6432POSSIBLE MATCH
COUPLING HALF,SHAFT
68514448214
Frequently Asked Questions
What is NSN 4320-01-699-6637?
NSN 4320-01-699-6637 is a Pump Unit,centrifugal, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4320, Power and Hand Pumps. Status: active.
What part numbers are listed for NSN 4320-01-699-6637?
NSN 4320-01-699-6637 has 1 manufacturer part number on file: 12638404 (U S Army Tank Automotive Command Amsta-Im-Mm).
What NSN replaces 4320-01-699-6637?
4 possible matches (shared part number, not a government interchangeability claim): 4730-01-700-4140, 5306-01-700-4230, 4730-01-700-4296. Verify interchangeability with system specifications before substitution.
What are the specifications of 12638404?
Key specifications for 12638404: Part Name Assigned by Controlling Agency: INSTALLATION,PUMP; End Item Identification: 4930-01-330-0157. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4320-01-699-6637 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.