88-20556-4 — WASHER,LOCK

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

88-20556-4: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.193 INCHES NOMINAL IN, outside_diameter: 0.334 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: ZINC OVERALL, material_thickness: 0.047 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-532-0291, 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

88-20556-4

NSN: 5310-01-532-0291
FSC: 5310 — Nuts and Washers
CAGE: 30554 — DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER (USA)

SPECIFICATIONS

material	STEEL OVERALL
hole_diameter	0.193 INCHES NOMINAL IN
outside_diameter	0.334 INCHES NOMINAL IN
style_designator	SPLIT HELICAL-RIGHT HAND
surface_treatment	ZINC OVERALL
material_thickness	0.047 INCHES NOMINAL IN
closed_inside_diameter	0.193 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
closed_outside_diameter	0.334 INCHES NOMINAL IN
end_item_identification	6115012961463, GENERATOR SET, DIESEL ENGINE
material_document_and_classification	ASME B18.21.1 ASSN STD ALL MATERIAL RESPONSES OVERALL
part_name_assigned_by_controlling_agency	WASHER, LOCK-SPRING, HELICAL
NSN	5310-01-532-0291

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASME B18.21.1 ASSN STD ALL MATERIAL RESPONSES OVERALL

•

OUTSIDE DIAMETER: 0.334 INCHES NOMINAL IN

•

MATERIAL THICKNESS: 0.047 INCHES NOMINAL IN

•

CLOSED OUTSIDE DIAMETER: 0.334 INCHES NOMINAL IN

•

SURFACE TREATMENT: ZINC OVERALL

TECHNICAL CHARACTERISTICS

STYLE DESIGNATOR	SPLIT HELICAL-RIGHT HAND
MATERIAL DOCUMENT AND CLASSIFICATION	ASME B18.21.1 ASSN STD ALL MATERIAL RESPONSES OVERALL
OUTSIDE DIAMETER	0.334 INCHES NOMINAL IN
MATERIAL THICKNESS	0.047 INCHES NOMINAL IN
CLOSED OUTSIDE DIAMETER	0.334 INCHES NOMINAL IN
SURFACE TREATMENT	ZINC OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCY	WASHER, LOCK-SPRING, HELICAL
END ITEM IDENTIFICATION	6115012961463, GENERATOR SET, DIESEL ENGINE
MATERIAL	STEEL OVERALL
HOLE DIAMETER	0.193 INCHES NOMINAL IN

OTHER ITEMS IN FSC 5310 — Nuts and Washers

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

5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540

SUBSTITUTES & CROSS-REFERENCES 1

88-20556DReference document

Same NSN cross-reference

Reference document — Drawing number reference only

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 88-20556-4?

88-20556-4 is a WASHER,LOCK.

What parts can replace 88-20556-4?

There is 1 known substitute for 88-20556-4: 88-20556D. Substitute compatibility should be verified for your specific system.

What is the NSN for 88-20556-4?

88-20556-4 is cataloged in the U.S. Government catalog under NSN 5310-01-532-0291. This indicates validated use in U.S. government and defense supply chains.

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