PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

72-4-100Bushing,sleeve

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 3120-00-287-7972 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-287-7972 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-287-7972. Primary manufacturer part number: 72-4-100.
Features
  • Bushing,sleeve — FSC 3120
  • Lubricant Accommodation Style: GROOVED CIRCULAR
  • Body Outside Diameter: 0.4345 INCHES MINIMUM AND 0.4355 INCHES MAXIMUM IN
  • Body Inside Diameter: 0.2495 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN
  • Corner Shape: CHAMFERED OUTSIDE RIGHT CORNER
  • Surface Treatment Document and Classification: QQ-C-320,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF BODY
  • Specification/standard Data: 80205-NAS72 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Surface Treatment: CHROMIUM OUTSIDE DIAMETER SURFACE OF BODY
Applications
  • Applications requiring Steel Comp 4130 or Steel Comp 8630 Overall construction
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-00-287-7972, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-287-7972
Primary Part Number72-4-100
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Lubricant Accommodation StyleGROOVED CIRCULAR
Body Outside Diameter0.4345 INCHES MINIMUM AND 0.4355 INCHES MAXIMUM IN
Body Inside Diameter0.2495 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN
Corner ShapeCHAMFERED OUTSIDE RIGHT CORNER
Surface Treatment Document and ClassificationQQ-C-320,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF BODY
Specification/standard Data80205-NAS72 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface TreatmentCHROMIUM OUTSIDE DIAMETER SURFACE OF BODY
Surface Treatment Document and ClassificationQQ-C-320,CL 2 FED SPEC SINGLE TREATMENT RESPONSE LEFT END SURFACE OF BODY
Corner ShapeSQUARE INSIDE LEFT CORNER
Surface Groove Location and Quantity1 EXTERNAL
MaterialSTEEL COMP 4130 OR STEEL COMP 8630 OVERALL
Material Document and ClassificationMIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
Corner ShapeSQUARE INSIDE RIGHT CORNER
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Surface TreatmentCHROMIUM RIGHT END SURFACE OF BODY
Surface TreatmentCHROMIUM LEFT END SURFACE OF BODY
Surface Treatment Document and ClassificationQQ-C-320,CL 2 FED SPEC SINGLE TREATMENT RESPONSE RIGHT END SURFACE OF BODY
Corner ShapeCHAMFERED OUTSIDE LEFT CORNER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5940-00-854-4229724100 INTERCHANGEABLE
Terminal,quick Disconnect
Federal-Mogul Corp Government Sales Dept
7040-01-057-52287241-00 INTERCHANGEABLE
Tensioner Assembly
Decision Data Computer Corp
1680-01-683-9636724100 INTERCHANGEABLE
Strap,webbing
Cmc Rescue, Inc.
Cross-Reference Index
Part NumberManufacturer
72-4-100 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NAS72-4-100 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
5940-00-854-4229INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
724100
7040-01-057-5228INTERCHANGEABLE
TENSIONER ASSEMBLY
7241-00
1680-01-683-9636INTERCHANGEABLE
STRAP,WEBBING
724100

Frequently Asked Questions

What is NSN 3120-00-287-7972?

NSN 3120-00-287-7972 is a Bushing,sleeve, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-287-7972?

NSN 3120-00-287-7972 has 2 cross-referenced part numbers: 72-4-100 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NAS72-4-100 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 3120-00-287-7972?

There are 3 known substitutes for 3120-00-287-7972: 5940-00-854-4229, 7040-01-057-5228, 1680-01-683-9636. Verify interchangeability with system specifications before substitution.

What are the specifications of 72-4-100?

Key specifications for 72-4-100: Overall Length: 1.0050 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN; Lubricant Accommodation Style: GROOVED CIRCULAR; Body Outside Diameter: 0.4345 INCHES MINIMUM AND 0.4355 INCHES MAXIMUM IN; Body Inside Diameter: 0.2495 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN. 19 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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