PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4730002703891Nut,slip Joint

Samuel Levine Plumbing and Heating Supplies, Inc. Div Slphs Inc · NSN 4730-00-270-3891 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-270-3891 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-270-3891. Primary manufacturer part number: 4730002703891.
Features
  • Nut,slip Joint — FSC 4730
  • Width Across Flats: 2.000 INCHES NOMINAL IN
  • Nut Style: SLIP JOINT NUT
  • Nominal Tube Outside Diameter: 1.250 INCHES IN
  • Thread Quantity Per Inch: 11-1/2
  • Thread Series: NPSM
  • Nominal Thread Size: 1.500 INCHES IN
  • Furnished Items: SLIP JOINT WASHER AND FRICTION RING
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Nut,slip Joint, cataloged under National Stock Number 4730-00-270-3891, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Samuel Levine Plumbing and Heating Supplies, Inc. Div Slphs Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-270-3891
Primary Part Number4730002703891
Item NameNut,slip Joint
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSamuel Levine Plumbing and Heating Supplies, Inc. Div Slphs Inc
StatusCANCELLED
Width Across Flats2.000 INCHES NOMINAL IN
Nut StyleSLIP JOINT NUT
Nominal Tube Outside Diameter1.250 INCHES IN
Thread Quantity Per Inch11-1/2
Thread SeriesNPSM
Nominal Thread Size1.500 INCHES IN
Furnished ItemsSLIP JOINT WASHER AND FRICTION RING
MaterialCOPPER ALLOY OVERALL
Thread DirectionRIGHT-HAND
Nominal Pipe Size Designation1.500 INCHES IN
Thread Class2B
Nut Height0.562 INCHES NOMINAL IN
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-600314139-14274 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
5325-00-200-5358320602 INTERCHANGEABLE
Ring,retaining
Hamilton Sundstrand Corporation Dba Collins Aerospace
4730-00-270-3886 INTERCHANGEABLE
Nut,slip Joint
4730-00-270-3889 INTERCHANGEABLE
Nut,slip Joint
4730-00-270-3890 INTERCHANGEABLE
Nut,slip Joint
4730-00-270-3892 INTERCHANGEABLE
Nut,slip Joint
4730-00-270-3895 INTERCHANGEABLE
Nut,slip Joint
4730-00-304-3481 INTERCHANGEABLE
Coupling,pipe
4510-00-305-7949HST05LKSB 3/8 INTERCHANGEABLE
Stop,angle,plumbing
Mcguire Mfg Co Inc
4730-00-408-7902A7009 INTERCHANGEABLE
Elbow,tube
Mueller Brass Co.
Cross-Reference Index
Part NumberManufacturer
4730002703891 PRIMARY Samuel Levine Plumbing and Heating Supplies, Inc. Div Slphs Inc (USA)
B16.23 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
8-633 Crane Co Div Valve Div (USA)
Related Parts
3110-00-100-6003INTERCHANGEABLE
BEARING,ROLLER,TAPERED
14139-14274
5325-00-200-5358INTERCHANGEABLE
RING,RETAINING
320602
4730-00-270-3886INTERCHANGEABLE
NUT,SLIP JOINT
4730-00-270-3889INTERCHANGEABLE
NUT,SLIP JOINT
4730-00-270-3890INTERCHANGEABLE
NUT,SLIP JOINT
4730-00-270-3892INTERCHANGEABLE
NUT,SLIP JOINT
4730-00-270-3895INTERCHANGEABLE
NUT,SLIP JOINT
4730-00-304-3481INTERCHANGEABLE
COUPLING,PIPE
4510-00-305-7949INTERCHANGEABLE
STOP,ANGLE,PLUMBING
HST05LKSB 3/8
4730-00-408-7902INTERCHANGEABLE
ELBOW,TUBE
A7009
4730-00-507-0034INTERCHANGEABLE
TEE,TUBE
W40109
4730-00-722-2637INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
W1287

Frequently Asked Questions

What is NSN 4730-00-270-3891?

NSN 4730-00-270-3891 is a Nut,slip Joint, manufactured by Samuel Levine Plumbing and Heating Supplies, Inc. Div Slphs Inc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-270-3891?

NSN 4730-00-270-3891 has 3 cross-referenced part numbers: 4730002703891 (Samuel Levine Plumbing and Heating Supplies, Inc. Div Slphs Inc), B16.23 (American National Standards Institute Incorporated Dba American National Standards Institute), 8-633 (Crane Co Div Valve Div).

What NSN replaces 4730-00-270-3891?

There are 12 known substitutes for 4730-00-270-3891: 3110-00-100-6003, 5325-00-200-5358, 4730-00-270-3886 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4730002703891?

Key specifications for 4730002703891: Width Across Flats: 2.000 INCHES NOMINAL IN; Nut Style: SLIP JOINT NUT; Nominal Tube Outside Diameter: 1.250 INCHES IN; Thread Quantity Per Inch: 11-1/2. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-270-3891 still in active supply?

NSN 4730-00-270-3891 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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