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8981T71 — STRAP,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8981T71: STRAP,RETAINING.

The STRAP,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL LOCATION NOT OTHERWISE SPECIFIED, overall_width: 0.750 INCHES NOMINAL IN, overall_length: 3.375 INCHES NOMINAL IN, special_features: SBR RUBBER INSERT, style_designator: CURVED ARCH, surface_treatment: ZINC. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-629-1803, 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
8981T71
NSN: 5340-01-629-1803
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
overall_width0.750 INCHES NOMINAL IN
overall_length3.375 INCHES NOMINAL IN
special_featuresSBR RUBBER INSERT
style_designatorCURVED ARCH
surface_treatmentZINC
material_thickness0.047 INCHES NOMINAL IN
end_item_identification3805-01-533-1853; HEAVY TYPE II LOADER
inside_diameter/arch_length0.813 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyVIBRATION-DAMPING CLAMP WITH SBR RUBBER INSERT
NSN5340-01-629-1803
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8981T71 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
•
STYLE DESIGNATOR: CURVED ARCH
•
MATERIAL THICKNESS: 0.047 INCHES NOMINAL IN
•
SURFACE TREATMENT: ZINC
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCURVED ARCH
OVERALL LENGTH3.375 INCHES NOMINAL IN
OVERALL WIDTH0.750 INCHES NOMINAL IN
MATERIAL THICKNESS0.047 INCHES NOMINAL IN
SPECIAL FEATURESSBR RUBBER INSERT
SURFACE TREATMENTZINC
PART NAME ASSIGNED BY CONTROLLING AGENCYVIBRATION-DAMPING CLAMP WITH SBR RUBBER INSERT
END ITEM IDENTIFICATION3805-01-533-1853; HEAVY TYPE II LOADER
MATERIALSTEEL LOCATION NOT OTHERWISE SPECIFIED
INSIDE DIAMETER/ARCH LENGTH0.813 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
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 8981T71?
8981T71 is a STRAP,RETAINING.
What is the NSN for 8981T71?
8981T71 is cataloged in the U.S. Government catalog under NSN 5340-01-629-1803. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.