PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8-633Nut,slip Joint

Crane Co Div Valve Div · NSN 4730-00-270-3890 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-270-3890 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-270-3890. Primary manufacturer part number: 8-633.
Features
  • Nut,slip Joint — FSC 4730
  • Thread Series: NPT
  • Thread Direction: RIGHT-HAND
  • Furnished Items: SLIP JOINT WASHER AND FRICTION RING
  • Thread Quantity Per Inch: 11-1/2
  • Nominal Tube Outside Diameter: 1.250 INCHES IN
  • Nominal Thread Size: 1.250 INCHES IN
  • Nut Style: SLIP JOINT NUT
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 4730-00-270-3890, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 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
NSN4730-00-270-3890
Primary Part Number8-633
Item NameNut,slip Joint
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCrane Co Div Valve Div
StatusCANCELLED
Thread SeriesNPT
Thread DirectionRIGHT-HAND
Furnished ItemsSLIP JOINT WASHER AND FRICTION RING
Thread Quantity Per Inch11-1/2
Nominal Tube Outside Diameter1.250 INCHES IN
Nominal Thread Size1.250 INCHES IN
Nut StyleSLIP JOINT NUT
Nondefinitive Spec/std Data6 FIGURE
Nominal Pipe Size Designation1.250 INCHES IN
Surface TreatmentCHROMIUM OVERALL
MaterialCOPPER ALLOY 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
4730-00-270-38914730002703891 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
2910-00-374-3556 INTERCHANGEABLE
Pump,fuel,cam Actuated
1620-00-445-2581 INTERCHANGEABLE
Check Valve Assy
5331-00-810-9126032257 INTERCHANGEABLE
O-Ring
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
Cross-Reference Index
Part NumberManufacturer
8-633 Crane Co Div Valve Div (USA)
ANSI B16.23 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
2666J5 Mcmaster-Carr Supply Co (USA)
MILF18930FIG6-7 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
062992 Interline Brands, Inc. Dba J. a. Sexauer (USA)
4 P M Industries Inc (USA)
8-663 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
4730-00-270-3891INTERCHANGEABLE
NUT,SLIP JOINT
4730002703891
4730-00-270-3892INTERCHANGEABLE
NUT,SLIP JOINT
4730-00-270-3895INTERCHANGEABLE
NUT,SLIP JOINT
2910-00-374-3556INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
1620-00-445-2581INTERCHANGEABLE
CHECK VALVE ASSY
5331-00-810-9126INTERCHANGEABLE
O-RING
032257
6145-00-865-2058INTERCHANGEABLE
BRAID,WIRE
8663
5950-01-007-1825INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 4730-00-270-3890?

NSN 4730-00-270-3890 is a Nut,slip Joint, manufactured by Crane Co Div Valve Div, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-270-3890?

NSN 4730-00-270-3890 has 7 cross-referenced part numbers: 8-633 (Crane Co Div Valve Div), ANSI B16.23 (American National Standards Institute Incorporated Dba American National Standards Institute), 2666J5 (Mcmaster-Carr Supply Co), MILF18930FIG6-7 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 062992 (Interline Brands, Inc. Dba J. a. Sexauer) and 2 more.

What NSN replaces 4730-00-270-3890?

There are 12 known substitutes for 4730-00-270-3890: 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: Thread Series: NPT; Thread Direction: RIGHT-HAND; Furnished Items: SLIP JOINT WASHER AND FRICTION RING; Thread Quantity Per Inch: 11-1/2. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-270-3890 still in active supply?

NSN 4730-00-270-3890 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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