NSN 3040-00-629-2178 · NIIN 006292178 · Part number 8741920
U S Army Tank Automotive Command Amsta-Im-Mm · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 19207
Government record, cited
NSN 3040-00-629-2178 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-629-2178. Manufacturer of record part number: 8741920.
Also searched as3040-00-629-2178 ·
3040006292178 ·
NIIN 006292178 ·
00-629-2178 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 19207 · 8741920 · 8741900
Manufacturer of record: U S Army Tank Automotive Command Amsta-Im-Mm
Identification
NSN: 3040-00-629-2178
NIIN: 006292178
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 8741920
Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description
The Connecting Link,rigid, cataloged under National Stock Number 3040-00-629-2178, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
3040-00-629-2178
Primary Part Number
8741920
Item Name
Connecting Link,rigid
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
U S Army Tank Automotive Command Amsta-Im-Mm
Status
ACTIVE
Body Diameter
0.750 INCHES NOMINAL IN
Body Construction
TUBULAR
Link Style
TUBULAR SHANK
Material
STEEL
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-00-974-91988741915POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
3040-01-008-13968741933POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
3040-01-413-13618741903POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
3040-01-413-13638741957POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
3040-01-413-13688741904POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Reference documents
Reference
Meaning
8741900
D/9Drawing number reference only
U S Army Tank Automotive Command Amsta-Im-Mm
Related Parts
3040-00-974-9198POSSIBLE MATCH
CONNECTING LINK,RIGID
8741915
3040-01-008-1396POSSIBLE MATCH
CONNECTING LINK,RIGID
8741933
3040-01-413-1361POSSIBLE MATCH
CONNECTING LINK,RIGID
8741903
3040-01-413-1363POSSIBLE MATCH
CONNECTING LINK,RIGID
8741957
3040-01-413-1368POSSIBLE MATCH
CONNECTING LINK,RIGID
8741904
Frequently Asked Questions
What is NSN 3040-00-629-2178?
NSN 3040-00-629-2178 is a Connecting Link,rigid, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-00-629-2178?
NSN 3040-00-629-2178 has 1 manufacturer part number on file: 8741920 (U S Army Tank Automotive Command Amsta-Im-Mm).
What NSN replaces 3040-00-629-2178?
5 possible matches (shared part number, not a government interchangeability claim): 3040-00-974-9198, 3040-01-008-1396, 3040-01-413-1361. Verify interchangeability with system specifications before substitution.
What are the specifications of 8741920?
Key specifications for 8741920: Body Diameter: 0.750 INCHES NOMINAL IN; Body Construction: TUBULAR; Link Style: TUBULAR SHANK; Overall Length: 26.975 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 3040-00-629-2178 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.