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Technical Data Sheet
1273643 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The CLIP,SPRING TENSION is a the manufacturer industrial component. Key specifications include width: 1.250 INCHES NOMINAL IN, length: 2.940 INCHES NOMINAL IN, material: STEEL COMP 1060 OVERALL, overall_height: 1.323 INCHES NOMINAL IN, prong/lip_length: 1.315 INCHES NOMINAL IN, surface_treatment: PHOSPHATE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-693-1022, 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
1273643
NSN: 5340-00-693-1022
FSC: 5340
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
width1.250 INCHES NOMINAL IN
length2.940 INCHES NOMINAL IN
materialSTEEL COMP 1060 OVERALL
overall_height1.323 INCHES NOMINAL IN
prong/lip_length1.315 INCHES NOMINAL IN
surface_treatmentPHOSPHATE OVERALL
material_thickness0.060 INCHES NOMINAL IN
material_document_and_classificationFED STD 66,AISI/SAE FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN5340-00-693-1022
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1273643 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
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66,AISI/SAE FED STD SINGLE MATERIAL RESPONSE OVERALL
LENGTH: 2.940 INCHES NOMINAL IN
MATERIAL THICKNESS: 0.060 INCHES NOMINAL IN
PRONG/LIP LENGTH: 1.315 INCHES NOMINAL IN
SURFACE TREATMENT: PHOSPHATE OVERALL
MATERIAL: STEEL COMP 1060 OVERALL
WIDTH: 1.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,AISI/SAE FED STD SINGLE MATERIAL RESPONSE OVERALL
LENGTH2.940 INCHES NOMINAL IN
MATERIAL THICKNESS0.060 INCHES NOMINAL IN
PRONG/LIP LENGTH1.315 INCHES NOMINAL IN
OVERALL HEIGHT1.323 INCHES NOMINAL IN
SURFACE TREATMENTPHOSPHATE OVERALL
MATERIALSTEEL COMP 1060 OVERALL
WIDTH1.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
5310000080532Interchangeable
interchangeable cross-reference
interchangeable
B3Interchangeable
interchangeable cross-reference
interchangeable
B3CInterchangeable
interchangeable cross-reference
interchangeable
MS33589TYPEB3CInterchangeable
interchangeable cross-reference
interchangeable
2016-62.5-STInterchangeable
interchangeable cross-reference
interchangeable
7388453Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1273643?
1273643 is a CLIP,SPRING TENSION.
What parts can replace 1273643?
There are 6 known substitutes for 1273643: 5310000080532, B3, B3C and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1273643?
1273643 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-693-1022. This indicates validated use in U.S. government and defense supply chains.
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