A261666 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited

— · ORING SEAL

PRODUCT OVERVIEW

A261666: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, design_type: SOLID, end_diameter: 0.8200 INCHES MINIMUM AND 0.8250 INCHES MAXIMUM IN, bore_diameter: 0.7000 INCHES MINIMUM AND 0.7050 INCHES MAXIMUM IN, overall_height: 0.3750 INCHES NOMINAL IN, features_provided: CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-474-9677, 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

A261666

NSN: 5340-00-474-9677
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

material	STEEL
design_type	SOLID
end_diameter	0.8200 INCHES MINIMUM AND 0.8250 INCHES MAXIMUM IN
bore_diameter	0.7000 INCHES MINIMUM AND 0.7050 INCHES MAXIMUM IN
overall_height	0.3750 INCHES NOMINAL IN
features_provided	CASEHARDENED
first_step_length	0.0630 INCHES NOMINAL IN
first_step_diameter	1.1880 INCHES NOMINAL IN
second_end_diameter	0.9730 INCHES MINIMUM AND 0.9780 INCHES MAXIMUM IN
fsc_application_data	ENGINE,GASOLINE,NON-AIRCRAFT BE15 21
material_hardness_rating	89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
distance_from_end_to_first_step	0.1850 INCHES MINIMUM AND 0.1910 INCHES MAXIMUM IN
NSN	5340-00-474-9677

COMPONENT DIAGRAM

KEY FEATURES

•

FSC APPLICATION DATA: ENGINE,GASOLINE,NON-AIRCRAFT BE15 21

•

FIRST STEP DIAMETER: 1.1880 INCHES NOMINAL IN

•

MATERIAL HARDNESS RATING: 89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM

•

END DIAMETER: 0.8200 INCHES MINIMUM AND 0.8250 INCHES MAXIMUM IN

•

SECOND END DIAMETER: 0.9730 INCHES MINIMUM AND 0.9780 INCHES MAXIMUM IN

•

DISTANCE FROM END TO FIRST STEP: 0.1850 INCHES MINIMUM AND 0.1910 INCHES MAXIMUM IN

•

DESIGN TYPE: SOLID

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.3750 INCHES NOMINAL IN
FSC APPLICATION DATA	ENGINE,GASOLINE,NON-AIRCRAFT BE15 21
FIRST STEP DIAMETER	1.1880 INCHES NOMINAL IN
MATERIAL HARDNESS RATING	89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
END DIAMETER	0.8200 INCHES MINIMUM AND 0.8250 INCHES MAXIMUM IN
SECOND END DIAMETER	0.9730 INCHES MINIMUM AND 0.9780 INCHES MAXIMUM IN
DISTANCE FROM END TO FIRST STEP	0.1850 INCHES MINIMUM AND 0.1910 INCHES MAXIMUM IN
DESIGN TYPE	SOLID
FEATURES PROVIDED	CASEHARDENED
FIRST STEP LENGTH	0.0630 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 1

1411030Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is A261666?

A261666 is a SEAT,HELICAL COMPRESSION SPRING.

What parts can replace A261666?

There is 1 known substitute for A261666: 1411030. Substitute compatibility should be verified for your specific system.

What is the NSN for A261666?

A261666 is cataloged in the U.S. Government catalog under NSN 5340-00-474-9677. This indicates validated use in U.S. government and defense supply chains.

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A261666 — SEAT,HELICAL COMPRESSION SPRING

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