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Technical Data Sheet
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173145 — HOLDER,ROLLER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

173145: HOLDER,ROLLER.

The HOLDER,ROLLER is a the manufacturer industrial component. Key specifications include end_item_identification: NSN: 3990-01-443-8024, part_name_assigned_by_controlling_agency: ASSY ROLLER PLS. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-538-5775, 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
173145
NSN: 5340-01-538-5775
FSC: 5340 — Hardware, Commercial
CAGE: 5X050 — CRYSTEEL MANUFACTURING, INC DBA CRYSTEEL MANUFACTURING INC (USA)
SPECIFICATIONS
end_item_identificationNSN: 3990-01-443-8024
part_name_assigned_by_controlling_agencyASSY ROLLER PLS
NSN5340-01-538-5775
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 173145 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYASSY ROLLER PLS
END ITEM IDENTIFICATIONNSN: 3990-01-443-8024
SUBSTITUTES & CROSS-REFERENCES 3
137434Reference document
Same NSN cross-reference
Reference document — Secondary reference
132467Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
1626158Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 173145?
173145 is a HOLDER,ROLLER.
What parts can replace 173145?
There are 3 known substitutes for 173145: 137434, 132467, 1626158. Substitute compatibility should be verified for your specific system.
What is the NSN for 173145?
173145 is cataloged in the U.S. Government catalog under NSN 5340-01-538-5775. This indicates validated use in U.S. government and defense supply chains.
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