NSN 2520-00-657-7353 · NIIN 006577353 · Part number 6577353
U S Army Tank Automotive Command Amsta-Im-Mm · FSC 2520 — Vehicular Power Transmission Components · FSG 25 — Vehicular Equipment Components · CAGE 19207
Government record, cited
NSN 2520-00-657-7353 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-657-7353. Manufacturer of record part number: 6577353.
Also searched as2520-00-657-7353 ·
2520006577353 ·
NIIN 006577353 ·
00-657-7353 ·
FSC 2520 Vehicular Power Transmission Components · CAGE 19207 · 6577353 · 89-30-7
Manufacturer of record: U S Army Tank Automotive Command Amsta-Im-Mm
Identification
NSN: 2520-00-657-7353
NIIN: 006577353
FSC: 2520 — Vehicular Power Transmission Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 6577353
Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description
The Countershaft, cataloged under National Stock Number 2520-00-657-7353, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Countershaft
FSC / FSG
2520 — Vehicular Power Transmission Components (FSG 25)
Manufacturers
U S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207)
Technical Specifications
Parameter
Value
NSN
2520-00-657-7353
Primary Part Number
6577353
Item Name
Countershaft
FSC / FSG
2520 / 25 — Vehicular Power Transmission Components
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
Possible hazard — SDS may be required (DLA HMIC P)
⇄Related Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2995-00-694-509789307POSSIBLE MATCH
HOUSING ASSY,VALVE
Possible match (shared part number)Hamilton Sundstrand Corporation Dba Collins Aerospace
2640-01-262-951712339497POSSIBLE MATCH
LUBRICANT,RUN FLAT
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
9150-01-269-492389307POSSIBLE MATCH
LUBRICATION PACKET
Possible match (shared part number)Specialty Lubricants Corp
4720-01-511-550489307HGH0255POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Hydraflow
4720-01-511-635189307HGH0184POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Hydraflow
4720-01-511-635989307HGH0110POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Hydraflow
4720-01-511-637189307HGH0210POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Hydraflow
4720-01-511-637889307MKM0134POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Hydraflow
2520-01-728-2455893-07POSSIBLE MATCH
TRUNNION TUBE
Possible match (shared part number)Hutchens Industries Inc
U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Reference documents
Reference
Meaning
89-30-7
3/2Design control — primary reference
U.S. Government activity
Related Parts
2995-00-694-5097POSSIBLE MATCH
HOUSING ASSY,VALVE
89307
2640-01-262-9517POSSIBLE MATCH
LUBRICANT,RUN FLAT
12339497
9150-01-269-4923POSSIBLE MATCH
LUBRICATION PACKET
89307
4720-01-511-5504POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
89307HGH0255
4720-01-511-6351POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
89307HGH0184
4720-01-511-6359POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
89307HGH0110
4720-01-511-6371POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
89307HGH0210
4720-01-511-6378POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
89307MKM0134
2520-01-728-2455POSSIBLE MATCH
TRUNNION TUBE
893-07
Frequently Asked Questions
What is NSN 2520-00-657-7353?
NSN 2520-00-657-7353 is a Countershaft, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
What part numbers are listed for NSN 2520-00-657-7353?
NSN 2520-00-657-7353 has 1 manufacturer part number on file: 6577353 (U S Army Tank Automotive Command Amsta-Im-Mm).
What NSN replaces 2520-00-657-7353?
9 possible matches (shared part number, not a government interchangeability claim): 2995-00-694-5097, 2640-01-262-9517, 9150-01-269-4923. Verify interchangeability with system specifications before substitution.
Is NSN 2520-00-657-7353 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.