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81373-1 — BUSHING,SLEEVE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

81373-1: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: IRON, overall_width: 3.5600 INCHES NOMINAL IN, overall_height: 1.0600 INCHES NOMINAL IN, overall_length: 3.0000 INCHES NOMINAL IN, mounting_hole_diameter: 0.4100 INCHES NOMINAL IN, end_item_identification: USED ON CATERPILLAR CB 534. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-057-4479, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
81373-1
NSN: 5340-00-057-4479
NIINs: 000574479, 001435906, 014137371, 014145976
FSC: 5340 — Hardware, Commercial
CAGE: 00994 — COLUMBUS JACK CORPORATION DIV COLUMBUS JACK (USA)
SPECIFICATIONS
materialIRON
overall_width3.5600 INCHES NOMINAL IN
overall_height1.0600 INCHES NOMINAL IN
overall_length3.0000 INCHES NOMINAL IN
mounting_hole_diameter0.4100 INCHES NOMINAL IN
mounting_hole_quantity6
end_item_identificationUSED ON CATERPILLAR CB 534
material_document_and_classificationASTM-A-220 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-00-057-4479
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 81373-1 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
DRIVE FACILITY THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
HANDLE STYLE: RECESSED POINT
•
HANDLE ROTATING FEATURE: NOT INCLUDED
•
MOUNTING METHOD: INTEGRAL HANDLE
•
RATCHET: NOT INCLUDED
•
THREAD DIAMETER: 0.312 INCHES NOMINAL IN
•
DRIVE FACILITY STYLE: ROUND
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
DRIVE FACILITY THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
HANDLE STYLERECESSED POINT
HANDLE ROTATING FEATURENOT INCLUDED
MOUNTING METHODINTEGRAL HANDLE
RATCHETNOT INCLUDED
THREAD DIAMETER0.312 INCHES NOMINAL IN
DRIVE FACILITY STYLEROUND
THREAD DIRECTIONRIGHT-HAND
CRANK THROW LENGTH5.000 INCHES NOMINAL IN
INSIDE DIAMETER0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 81373-1?
81373-1 is a BUSHING,SLEEVE.
What is the NSN for 81373-1?
81373-1 is cataloged in the U.S. Government catalog under NSN 5340-00-057-4479. This indicates validated use in U.S. government and defense supply chains.
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