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NSN 4730-01-155-5771Government record, cited

Cap, Hose4730-01-155-5771

NSN 4730-01-155-5771 · NIIN 011555771
FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings
Government record, cited
Also searched as  4730-01-155-5771 · 4730011555771 · NIIN 011555771 · 01-155-5771 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 2621-625-03 ASSY 57 · 2621-625-03
Nearby stock numbers  ·
Features
  • Cap,hose — FSC 4730
  • Material Document and Classification: QQ-C-390,TYPE 3 FED SPEC SINGLE MATERIAL RESPONSE CHAIN
  • Features Provided: SEALING GASKET
  • Thread Direction: RIGHT-HAND INTERNAL
  • Nominal Thread Size: 1.500 INCHES INTERNAL IN
  • Material: COPPER CHAIN
Identification
  • NSN: 4730-01-155-5771
  • NIIN: 011555771
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description

The Cap,hose, cataloged under National Stock Number 4730-01-155-5771, 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 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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
NSN4730-01-155-5771
Item NameCap,hose
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
StatusACTIVE
Material Document and ClassificationQQ-C-390,TYPE 3 FED SPEC SINGLE MATERIAL RESPONSE CHAIN
Features ProvidedSEALING GASKET
Thread DirectionRIGHT-HAND INTERNAL
Nominal Thread Size1.500 INCHES INTERNAL IN
MaterialCOPPER CHAIN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-356-45982621-625-03ASSY74 POSSIBLE MATCH
CAP,VALVE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
5365-01-550-06152621-625-03 PC48 POSSIBLE MATCH
PLUG,MACHINE THREAD
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-735-87822621-625-03 PC NO 145 POSSIBLE MATCH
CAP,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
2621-625-03 ASSY 57 3/2 Design control — primary reference
U.S. Government activity
2621-625-03 D/9 Drawing number reference only
U.S. Government activity
Related Parts
4820-01-356-4598POSSIBLE MATCH
CAP,VALVE
2621-625-03ASSY74
5365-01-550-0615POSSIBLE MATCH
PLUG,MACHINE THREAD
2621-625-03 PC48
4730-01-735-8782POSSIBLE MATCH
CAP,PIPE
2621-625-03 PC NO 145

Frequently Asked Questions

What is NSN 4730-01-155-5771?

NSN 4730-01-155-5771 is a Cap,hose, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What NSN replaces 4730-01-155-5771?

3 possible matches (shared part number, not a government interchangeability claim): 4820-01-356-4598, 5365-01-550-0615, 4730-01-735-8782. Verify interchangeability with system specifications before substitution.

What are the specifications of 4730-01-155-5771?

Key specifications for 4730-01-155-5771: Material Document and Classification: QQ-C-390,TYPE 3 FED SPEC SINGLE MATERIAL RESPONSE CHAIN; Features Provided: SEALING GASKET; Thread Direction: RIGHT-HAND INTERNAL; Nominal Thread Size: 1.500 INCHES INTERNAL IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-155-5771 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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