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NSN 4730-00-554-3122Government record, cited

Cap, Tube4730-00-554-3122

NSN 4730-00-554-3122 · NIIN 005543122
FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings
Government record, cited
Also searched as  4730-00-554-3122 · 4730005543122 · NIIN 005543122 · 00-554-3122 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · MS9314 · MS9314-20
Nearby stock numbers  ·
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11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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.

Technical Specifications
ParameterValue
NSN4730-00-554-3122
Item NameCap,tube
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
StatusACTIVE
Connection StylePRESSURE SEAL FLARED
Tube Outside Diameter for Which Designed1.250 INCHES NOMINAL IN
Style DesignatorCAP, TUBE, FLARED
Material Document and ClassificationAMS 5646 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread DirectionRIGHT-HAND INTERNAL
Nominal Thread Size1.625 INCHES INTERNAL IN
Seat Angle37.0 DEGREES
Thread Class3B INTERNAL
Thread Quantity Per Inch12 INTERNAL
MaterialSTEEL COMP 347 OVERALL
Thread Series DesignatorUN INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-00-878-1210 POSSIBLE MATCH
CAP,TUBE
Possible match (shared part number)
4730-00-933-0924 POSSIBLE MATCH
CAP,TUBE
Possible match (shared part number)
4730-00-939-8492 POSSIBLE MATCH
CAP,TUBE
Possible match (shared part number)
4730-01-086-0096 POSSIBLE MATCH
CAP,TUBE
Possible match (shared part number)
4730-01-194-1643 POSSIBLE MATCH
CAP,TUBE
Possible match (shared part number)
4730-01-194-1644 POSSIBLE MATCH
CAP,TUBE
Possible match (shared part number)
4730-01-222-7573 POSSIBLE MATCH
CAP,TUBE
Possible match (shared part number)
4730-01-287-9359 POSSIBLE MATCH
CAP,TUBE
Possible match (shared part number)
4730-01-316-9236 POSSIBLE 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
ReferenceMeaning
MS9314 4/1 Identification reference
U.S. Government activity
MS9314-20 2/2 Government 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.
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