4730-00-554-3122 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Cap,tube — FSC 4730
Connection Style: PRESSURE SEAL FLARED
Tube Outside Diameter for Which Designed: 1.250 INCHES NOMINAL IN
Style Designator: CAP, TUBE, FLARED
Material Document and Classification: AMS 5646 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Direction: RIGHT-HAND INTERNAL
Nominal Thread Size: 1.625 INCHES INTERNAL IN
Seat Angle: 37.0 DEGREES
Identification
NSN: 4730-00-554-3122
NIIN: 005543122
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Cap,tube, cataloged under National Stock Number 4730-00-554-3122, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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.
AMS 5646 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Direction
RIGHT-HAND INTERNAL
Nominal Thread Size
1.625 INCHES INTERNAL IN
Seat Angle
37.0 DEGREES
Thread Class
3B INTERNAL
Thread Quantity Per Inch
12 INTERNAL
Material
STEEL COMP 347 OVERALL
Thread Series Designator
UN INTERNAL
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 Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-00-878-1210POSSIBLE MATCH
CAP,TUBE
Possible match (shared part number)
4730-00-933-0924POSSIBLE MATCH
CAP,TUBE
Possible match (shared part number)
4730-00-939-8492POSSIBLE MATCH
CAP,TUBE
Possible match (shared part number)
4730-01-086-0096POSSIBLE MATCH
CAP,TUBE
Possible match (shared part number)
4730-01-194-1643POSSIBLE MATCH
CAP,TUBE
Possible match (shared part number)
4730-01-194-1644POSSIBLE MATCH
CAP,TUBE
Possible match (shared part number)
4730-01-222-7573POSSIBLE MATCH
CAP,TUBE
Possible match (shared part number)
4730-01-287-9359POSSIBLE MATCH
CAP,TUBE
Possible match (shared part number)
4730-01-316-9236POSSIBLE MATCH
CAP,TUBE
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
MS9314
4/1Identification reference
U.S. Government activity
MS9314-20
2/2Government specification standardization
U.S. Government activity
Related Parts
4730-00-878-1210POSSIBLE MATCH
CAP,TUBE
4730-00-933-0924POSSIBLE MATCH
CAP,TUBE
4730-00-939-8492POSSIBLE MATCH
CAP,TUBE
4730-01-086-0096POSSIBLE MATCH
CAP,TUBE
4730-01-194-1643POSSIBLE MATCH
CAP,TUBE
4730-01-194-1644POSSIBLE MATCH
CAP,TUBE
4730-01-222-7573POSSIBLE MATCH
CAP,TUBE
4730-01-287-9359POSSIBLE MATCH
CAP,TUBE
4730-01-316-9236POSSIBLE MATCH
CAP,TUBE
Frequently Asked Questions
What is NSN 4730-00-554-3122?
NSN 4730-00-554-3122 is a Cap,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What NSN replaces 4730-00-554-3122?
9 possible matches (shared part number, not a government interchangeability claim): 4730-00-878-1210, 4730-00-933-0924, 4730-00-939-8492. Verify interchangeability with system specifications before substitution.
What are the specifications of 4730-00-554-3122?
Key specifications for 4730-00-554-3122: Connection Style: PRESSURE SEAL FLARED; Tube Outside Diameter for Which Designed: 1.250 INCHES NOMINAL IN; Style Designator: CAP, TUBE, FLARED; Material Document and Classification: AMS 5646 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 11 specifications are documented in the U.S. Government catalog.
Is NSN 4730-00-554-3122 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.