PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8-633Nut,slip Joint

Crane Co Div Valve Div · NSN 4730-00-270-3889 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-270-3889 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-270-3889. Primary manufacturer part number: 8-633.
Features
  • Nut,slip Joint — FSC 4730
  • Nominal Pipe Size Designation: 0.500 INCHES IN
  • Thread Direction: RIGHT-HAND
  • Furnished Items: SLIP JOINT WASHER AND FRICTION RING
  • Thread Quantity Per Inch: 11-1/2
  • Nominal Thread Size: 0.500 INCHES IN
  • Nominal Tube Outside Diameter: 0.438 INCHES IN
  • Thread Series: NPSM
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 4730-00-270-3889, 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 Crane Co Div Valve Div. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-270-3889
Primary Part Number8-633
Item NameNut,slip Joint
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCrane Co Div Valve Div
StatusACTIVE
Nominal Pipe Size Designation0.500 INCHES IN
Thread DirectionRIGHT-HAND
Furnished ItemsSLIP JOINT WASHER AND FRICTION RING
Thread Quantity Per Inch11-1/2
Nominal Thread Size0.500 INCHES IN
Nominal Tube Outside Diameter0.438 INCHES IN
Thread SeriesNPSM
Nut Height0.468 INCHES NOMINAL IN
Nut StyleSLIP JOINT NUT
Width Across Flats0.875 INCHES NOMINAL IN
Thread Class2A A
Surface TreatmentCHROMIUM OVERALL
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
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
4730-00-270-3890 INTERCHANGEABLE
Nut,slip Joint
4730-00-270-38914730002703891 INTERCHANGEABLE
Nut,slip Joint
Samuel Levine Plumbing and Heating Supplies, Inc. Div Slphs Inc
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
8-633 Crane Co Div Valve Div (USA)
B16.23 American National Standards Institute Incorporated Dba American National Standards Institute (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
4730-00-270-3890INTERCHANGEABLE
NUT,SLIP JOINT
4730-00-270-3891INTERCHANGEABLE
NUT,SLIP JOINT
4730002703891
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 4730-00-270-3889?

NSN 4730-00-270-3889 is a Nut,slip Joint, manufactured by Crane Co Div Valve Div, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-270-3889?

NSN 4730-00-270-3889 has 2 cross-referenced part numbers: 8-633 (Crane Co Div Valve Div), B16.23 (American National Standards Institute Incorporated Dba American National Standards Institute).

What NSN replaces 4730-00-270-3889?

There are 12 known substitutes for 4730-00-270-3889: 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 8-633?

Key specifications for 8-633: Nominal Pipe Size Designation: 0.500 INCHES IN; Thread Direction: RIGHT-HAND; Furnished Items: SLIP JOINT WASHER AND FRICTION RING; Thread Quantity Per Inch: 11-1/2. 13 total characteristics are documented in the Federal Logistics Information System.

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