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NSN 4730-01-437-4279Government record, cited
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Clamp, Repair, Pipe4730-01-437-4279

NSN 4730-01-437-4279 · NIIN 014374279
FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings
Government record, cited
Also searched as  4730-01-437-4279 · 4730014374279 · NIIN 014374279 · 01-437-4279 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 440380-1 · CL2-5.27 X 7.5 · 440380
Nearby stock numbers  ·
L 7.500 INCHES NOMINAL IN HOSE FITTING
4730-01-437-4279 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
  • Clamp,repair,pipe — FSC 4730
  • Nominal Pipe Size Accommodated: 4.000 INCHES IN
  • Clamp Overall Length: 7.500 INCHES NOMINAL IN
  • Media for Which Gasket Is Designed: GASOLINE
  • Material Document and Classification: ASTM A193 ASSN STD SINGLE MATERIAL RESPONSE BOLT
  • Material Document and Classification: ASTM A193 ASSN STD SINGLE MATERIAL RESPONSE NUT
  • Features Provided: GASKET
  • Material: STEEL NUT
Identification
  • NSN: 4730-01-437-4279
  • NIIN: 014374279
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description

The Clamp,repair,pipe, cataloged under National Stock Number 4730-01-437-4279, 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 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
NSN4730-01-437-4279
Item NameClamp,repair,pipe
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
StatusACTIVE
Nominal Pipe Size Accommodated4.000 INCHES IN
Clamp Overall Length7.500 INCHES NOMINAL IN
Media for Which Gasket Is DesignedGASOLINE
Material Document and ClassificationASTM A193 ASSN STD SINGLE MATERIAL RESPONSE BOLT
Material Document and ClassificationASTM A193 ASSN STD SINGLE MATERIAL RESPONSE NUT
Features ProvidedGASKET
MaterialSTEEL NUT
MaterialSTEEL COMP 304 BAND
MaterialSTEEL BOLT
Construction TypeTWO PIECE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-437-4281CL2-9.39 X 12.5 POSSIBLE MATCH
CLAMP,REPAIR,PIPE
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4730-01-437-4282CL2-13.50 X 15 POSSIBLE MATCH
CLAMP,REPAIR,PIPE
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4730-01-437-4284CL2-11.50 X 15 POSSIBLE MATCH
CLAMP,REPAIR,PIPE
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4730-01-437-4287CL2-7.37 X 10 POSSIBLE MATCH
CLAMP,REPAIR,PIPE
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
440380-1 1/2 Source control — Government-approved source
U.S. Government activity
CL2-5.27 X 7.5 3/2 Design control — primary reference
U.S. Government activity
440380 D/9 Drawing number reference only
U.S. Government activity
Related Parts
4730-01-437-4281POSSIBLE MATCH
CLAMP,REPAIR,PIPE
CL2-9.39 X 12.5
4730-01-437-4282POSSIBLE MATCH
CLAMP,REPAIR,PIPE
CL2-13.50 X 15
4730-01-437-4284POSSIBLE MATCH
CLAMP,REPAIR,PIPE
CL2-11.50 X 15
4730-01-437-4287POSSIBLE MATCH
CLAMP,REPAIR,PIPE
CL2-7.37 X 10

Frequently Asked Questions

What is NSN 4730-01-437-4279?

NSN 4730-01-437-4279 is a Clamp,repair,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What NSN replaces 4730-01-437-4279?

4 possible matches (shared part number, not a government interchangeability claim): 4730-01-437-4281, 4730-01-437-4282, 4730-01-437-4284. Verify interchangeability with system specifications before substitution.

What are the specifications of 4730-01-437-4279?

Key specifications for 4730-01-437-4279: Nominal Pipe Size Accommodated: 4.000 INCHES IN; Clamp Overall Length: 7.500 INCHES NOMINAL IN; Media for Which Gasket Is Designed: GASOLINE; Material Document and Classification: ASTM A193 ASSN STD SINGLE MATERIAL RESPONSE BOLT. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-437-4279 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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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