PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74340Bushing,sleeve

Service & Sales Inc · NSN 3120-00-345-9496 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-345-9496 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-345-9496. Primary manufacturer part number: 74340.
Features
  • Bushing,sleeve — FSC 3120
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Surface Treatment: LEAD AND SILVER RIGHT END SURFACE OF LEFT FLANGE
  • Corner Shape: SQUARE INSIDE LEFT CORNER
  • Body Outside Diameter: 0.8101 INCHES MINIMUM AND 0.8105 INCHES MAXIMUM IN
  • Body Inside Diameter: 0.5628 INCHES MINIMUM AND 0.5632 INCHES MAXIMUM IN
  • Flange Width: 0.0800 INCHES MINIMUM AND 0.0830 INCHES MAXIMUM IN
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
Applications
  • Applications requiring Copper Alloy 172 Overall construction
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-00-345-9496, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Service & Sales Inc. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, 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
NSN3120-00-345-9496
Primary Part Number74340
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerService & Sales Inc
StatusACTIVE
Corner ShapeSQUARE INSIDE RIGHT CORNER
Surface TreatmentLEAD AND SILVER RIGHT END SURFACE OF LEFT FLANGE
Corner ShapeSQUARE INSIDE LEFT CORNER
Body Outside Diameter0.8101 INCHES MINIMUM AND 0.8105 INCHES MAXIMUM IN
Body Inside Diameter0.5628 INCHES MINIMUM AND 0.5632 INCHES MAXIMUM IN
Flange Width0.0800 INCHES MINIMUM AND 0.0830 INCHES MAXIMUM IN
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Precious MaterialSILVER
MaterialCOPPER ALLOY 172 OVERALL
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Surface Finish125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
Hole Diameter0.3600 INCHES MINIMUM AND 0.3900 INCHES MAXIMUM FIRST IN
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Surface Finish125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
Antirotation/lubrication Type and Quantity1 HOLE
Surface TreatmentLEAD AND SILVER OUTSIDE DIAMETER SURFACE OF BODY
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Hardness Rating37.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
Flange Outside Diameter1.0500 INCHES MINIMUM AND 1.0800 INCHES MAXIMUM IN
Surface Finish125.0 MICROINCHES RIGHT END SURFACE OF BODY
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Surface Finish125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
Surface Finish32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
Surface Finish125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4140-00-361-4691 INTERCHANGEABLE
Shaft,fan
1610-00-483-698974340 INTERCHANGEABLE
Spring-Control---Ap
Hamilton Sundstrand Corporation Dba Collins Aerospace
5995-01-057-6922604-221-005-603 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Roanwell, Llc
Cross-Reference Index
Part NumberManufacturer
74340 PRIMARY Service & Sales Inc (USA)
SS74340 Service & Sales Inc (USA)
74340 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
74340 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
74340 PRIMARY Honeywell International Inc. Div Aerospace - Torrance (USA)
Related Parts
4140-00-361-4691INTERCHANGEABLE
SHAFT,FAN
1610-00-483-6989INTERCHANGEABLE
SPRING-CONTROL---AP
74340
5995-01-057-6922INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
604-221-005-603

Frequently Asked Questions

What is NSN 3120-00-345-9496?

NSN 3120-00-345-9496 is a Bushing,sleeve, manufactured by Service & Sales Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-345-9496?

NSN 3120-00-345-9496 has 5 cross-referenced part numbers: 74340 (Service & Sales Inc), SS74340 (Service & Sales Inc), 74340 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix), 74340 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), 74340 (Honeywell International Inc. Div Aerospace - Torrance).

What NSN replaces 3120-00-345-9496?

There are 3 known substitutes for 3120-00-345-9496: 4140-00-361-4691, 1610-00-483-6989, 5995-01-057-6922. Verify interchangeability with system specifications before substitution.

What are the specifications of 74340?

Key specifications for 74340: Corner Shape: SQUARE INSIDE RIGHT CORNER; Surface Treatment: LEAD AND SILVER RIGHT END SURFACE OF LEFT FLANGE; Corner Shape: SQUARE INSIDE LEFT CORNER; Body Outside Diameter: 0.8101 INCHES MINIMUM AND 0.8105 INCHES MAXIMUM IN. 26 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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