B3991PC7 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

B3991PC7: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,SQUARED BOTH ENDS, inside_diameter: 0.250 INCHES NOMINAL IN, style_designator: CYLINDRICAL, surface_treatment: ZINC OVERALL, spring_free_length: 0.875 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-209-7658, 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

B3991PC7

NSN: 5360-00-209-7658
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 15605 — EATON CORP OPNS & TECHNICAL CENTER (USA)

SPECIFICATIONS

material	STEEL OVERALL
end_style	SPRING END,SQUARED BOTH ENDS
coil_quantity	9
inside_diameter	0.250 INCHES NOMINAL IN
style_designator	CYLINDRICAL
surface_treatment	ZINC OVERALL
spring_free_length	0.875 INCHES NOMINAL IN
spring_solid_length	0.328 INCHES NOMINAL IN
coil_helix_direction	RIGHT-HAND OR LEFT-HAND
spring_deflection_rate	9.500 POUNDS PER INCH NOMINAL LBS
spring_free_outside_diameter	0.309 INCHES MINIMUM AND 0.319 INCHES MAXIMUM IN
material_document_and_classification	N,22-W-11C MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN	5360-00-209-7658

COMPONENT DIAGRAM

KEY FEATURES

•

SPRING FREE OUTSIDE DIAMETER: 0.309 INCHES MINIMUM AND 0.319 INCHES MAXIMUM IN

•

END STYLE: SPRING END,SQUARED BOTH ENDS

•

SPRING SOLID LENGTH: 0.328 INCHES NOMINAL IN

•

STYLE DESIGNATOR: CYLINDRICAL

•

MATERIAL DOCUMENT AND CLASSIFICATION: N,22-W-11C MFR REF SINGLE MATERIAL RESPONSE OVERALL

•

SPRING FREE LENGTH: 0.875 INCHES NOMINAL IN

•

SPRING DEFLECTION RATE: 9.500 POUNDS PER INCH NOMINAL LBS

•

INSIDE DIAMETER: 0.250 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

SPRING FREE OUTSIDE DIAMETER	0.309 INCHES MINIMUM AND 0.319 INCHES MAXIMUM IN
END STYLE	SPRING END,SQUARED BOTH ENDS
SPRING SOLID LENGTH	0.328 INCHES NOMINAL IN
STYLE DESIGNATOR	CYLINDRICAL
MATERIAL DOCUMENT AND CLASSIFICATION	N,22-W-11C MFR REF SINGLE MATERIAL RESPONSE OVERALL
SPRING FREE LENGTH	0.875 INCHES NOMINAL IN
SPRING DEFLECTION RATE	9.500 POUNDS PER INCH NOMINAL LBS
INSIDE DIAMETER	0.250 INCHES NOMINAL IN
COIL QUANTITY	9
SURFACE TREATMENT	ZINC OVERALL

SUBSTITUTES & CROSS-REFERENCES 3

82973W1ITEM40Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

7644PC7Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

4994ITEM40Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is B3991PC7?

B3991PC7 is a SPRING,HELICAL,COMPRESSION.

What parts can replace B3991PC7?

There are 3 known substitutes for B3991PC7: 82973W1ITEM40, 7644PC7, 4994ITEM40. Substitute compatibility should be verified for your specific system.

What is the NSN for B3991PC7?

B3991PC7 is cataloged in the U.S. Government catalog under NSN 5360-00-209-7658. This indicates validated use in U.S. government and defense supply chains.

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B3991PC7 — SPRING,HELICAL,COMPRESSION

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