The Pipe, cataloged under National Stock Number 2990-00-734-0474, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4220-01-128-4386500-011POSSIBLE MATCH
HELMET KIT
Possible match (shared part number)Kirby Morgan Dive Systems Inc
6625-01-134-2487POSSIBLE MATCH
METER AND BEZEL
Possible match (shared part number)
5340-01-162-0794500011POSSIBLE MATCH
BRACKET,ANGLE
Possible match (shared part number)Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5920-01-277-60191978067-107POSSIBLE MATCH
FUSE,CARTRIDGE
Possible match (shared part number)Northrop Grumman Systems Corporation
3020-01-392-246450001-1POSSIBLE MATCH
GEAR,INTERNAL
Possible match (shared part number)Morpac Industries, Inc Div Actuator
6750-01-427-4690POSSIBLE MATCH
FILM,PHOTOGRAPHIC
Possible match (shared part number)
5410-01-468-574150-0011POSSIBLE MATCH
GUTTER,RAIN CS END
Possible match (shared part number)Clamshell Structures, Inc
5935-01-500-5783500T011M51B06-6POSSIBLE MATCH
BACKSHELL,ELECTRICAL CONNECTOR
Possible match (shared part number)Glenair, Inc.
5935-01-500-5789500T011M21B04-6POSSIBLE MATCH
BACKSHELL,ELECTRICAL CONNECTOR
Possible match (shared part number)Glenair, Inc.
5935-01-500-5792500T011M51B10-6POSSIBLE MATCH
BACKSHELL,ELECTRICAL CONNECTOR
Possible match (shared part number)Glenair, Inc.
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
392402
5/9Secondary reference
Universal Logistics Corp Clark Div
500011
5/9Secondary reference
Brockway Motor Trucks Div of Mack Trucks Inc
392402
3/9Design control — primary reference
White Motor Corp
Related Parts
4220-01-128-4386POSSIBLE MATCH
HELMET KIT
500-011
6625-01-134-2487POSSIBLE MATCH
METER AND BEZEL
5340-01-162-0794POSSIBLE MATCH
BRACKET,ANGLE
500011
5920-01-277-6019POSSIBLE MATCH
FUSE,CARTRIDGE
1978067-107
3020-01-392-2464POSSIBLE MATCH
GEAR,INTERNAL
50001-1
6750-01-427-4690POSSIBLE MATCH
FILM,PHOTOGRAPHIC
5410-01-468-5741POSSIBLE MATCH
GUTTER,RAIN CS END
50-0011
5935-01-500-5783POSSIBLE MATCH
BACKSHELL,ELECTRICAL CONNECTOR
500T011M51B06-6
5935-01-500-5789POSSIBLE MATCH
BACKSHELL,ELECTRICAL CONNECTOR
500T011M21B04-6
5935-01-500-5792POSSIBLE MATCH
BACKSHELL,ELECTRICAL CONNECTOR
500T011M51B10-6
Frequently Asked Questions
What is NSN 2990-00-734-0474?
NSN 2990-00-734-0474 is a Pipe, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
What NSN replaces 2990-00-734-0474?
10 possible matches (shared part number, not a government interchangeability claim): 4220-01-128-4386, 6625-01-134-2487, 5340-01-162-0794. Verify interchangeability with system specifications before substitution.
Is NSN 2990-00-734-0474 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.