11728-B-18A — SPRING,HELICAL,COMPRESSION

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

11728-B-18A: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, inside_diameter: 0.155 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN, special_features: BLUE PLATING COLOR. MATERIAL NICKEL, CHROMIUM, MOLYBDENUM, COLUMBIUM ALLOY, style_designator: CYLINDRICAL, spring_free_length: 0.530 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5360-01-064-1402, 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

11728-B-18A

NSN: 5360-01-064-1402
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 0UBG9 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD (USA)

SPECIFICATIONS

material	NICKEL ALLOY 400 OVERALL
end_style	SPRING END,SQUARED AND GROUND BOTH ENDS
inside_diameter	0.155 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
special_features	BLUE PLATING COLOR. MATERIAL NICKEL, CHROMIUM, MOLYBDENUM, COLUMBIUM ALLOY
style_designator	CYLINDRICAL
spring_free_length	0.530 INCHES NOMINAL IN
spring_solid_length	0.306 INCHES NOMINAL IN
coil_helix_direction	RIGHT-HAND OR LEFT-HAND
spring_deflection_rate	31.350 POUNDS PER INCH NOMINAL LBS
spring_free_outside_diameter	0.223 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN
material_document_and_classification	QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	5360-01-064-1402

COMPONENT DIAGRAM

KEY FEATURES

•

SPRING FREE OUTSIDE DIAMETER: 0.223 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN

•

END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS

•

SPRING SOLID LENGTH: 0.306 INCHES NOMINAL IN

•

STYLE DESIGNATOR: CYLINDRICAL

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

SPRING FREE LENGTH: 0.530 INCHES NOMINAL IN

•

SPRING DEFLECTION RATE: 31.350 POUNDS PER INCH NOMINAL LBS

•

INSIDE DIAMETER: 0.155 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

SPRING FREE OUTSIDE DIAMETER	0.223 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN
END STYLE	SPRING END,SQUARED AND GROUND BOTH ENDS
SPRING SOLID LENGTH	0.306 INCHES NOMINAL IN
STYLE DESIGNATOR	CYLINDRICAL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SPRING FREE LENGTH	0.530 INCHES NOMINAL IN
SPRING DEFLECTION RATE	31.350 POUNDS PER INCH NOMINAL LBS
INSIDE DIAMETER	0.155 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
SPECIAL FEATURES	BLUE PLATING COLOR. MATERIAL NICKEL, CHROMIUM, MOLYBDENUM, COLUMBIUM ALLOY
COIL HELIX DIRECTION	RIGHT-HAND OR LEFT-HAND

OTHER ITEMS IN FSC 5360 — Coil, Flat, Leaf, and Wire Springs

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5360-00-001-1842 5360-00-001-1945 5360-00-001-2010 5360-00-001-3865 5360-00-001-3950 5360-00-001-4650 5360-00-001-4664 5360-00-001-4703

SUBSTITUTES & CROSS-REFERENCES 7

PL-11256-F-18 ITEM341Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

16X17B341X2Reference document

Same NSN cross-reference

Reference document — Secondary reference

B-16X17B341X1Reference document

Same NSN cross-reference

Reference document — Secondary reference

B-16X17B341X2Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

PL-11738-F-18 ITEM 341Reference document

Same NSN cross-reference

Reference document — Secondary reference

11255-B-18Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 11728-B-18A?

11728-B-18A is a SPRING,HELICAL,COMPRESSION.

What parts can replace 11728-B-18A?

There are 7 known substitutes for 11728-B-18A: PL-11256-F-18 ITEM341, 16X17B341X2, B-16X17B341X1 and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 11728-B-18A?

11728-B-18A is cataloged in the U.S. Government catalog under NSN 5360-01-064-1402. This indicates validated use in U.S. government and defense supply chains.

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11728-B-18A — SPRING,HELICAL,COMPRESSION

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