4D10618 — WASHER,SPRING TENSION

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

4D10618: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410 OVERALL, hole_diameter: 2.216 INCHES MINIMUM AND 2.226 INCHES MAXIMUM IN, surface_finish: 125.0 MICROINCHES OUTER, outside_diameter: 3.200 INCHES NOMINAL IN, special_features: TWO INTERNAL KEYS 180 DEGREES APART,0.125 IN. NOM.

THK AND 0.242 IN. NOM. DEEP FROM INSIDE DIA.

IN, material_thickness: 0.062 INCHES NOMINAL IN. This part is cataloged in the U.S. Government catalog under NSN 5310-01-476-4942, 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

4D10618

NSN: 5310-01-476-4942
NIINs: 014764942, 014764974
FSC: 5310 — Nuts and Washers
CAGE: 90099 — NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MARINE SYSTEMS (USA)

SPECIFICATIONS

material	STEEL COMP 410 OVERALL
hole_diameter	2.216 INCHES MINIMUM AND 2.226 INCHES MAXIMUM IN
surface_finish	125.0 MICROINCHES OUTER
outside_diameter	3.200 INCHES NOMINAL IN
special_features	TWO INTERNAL KEYS 180 DEGREES APART,0.125 IN. NOM. THK AND 0.242 IN. NOM. DEEP FROM INSIDE DIA. IN
material_thickness	0.062 INCHES NOMINAL IN
end_item_identification	SUB ATMOSPHERE CONTROL
material_document_and_classification	QQ-S-763,CLASS 410,COND T FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-01-476-4942

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 63.0 MICROINCHES BOTTOM

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,CLASS 410,COND T FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

OUTSIDE DIAMETER: 4.000 INCHES NOMINAL IN

•

MATERIAL THICKNESS: 0.062 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

SURFACE FINISH	63.0 MICROINCHES BOTTOM
SURFACE FINISH	63.0 MICROINCHES INNER
SURFACE FINISH	63.0 MICROINCHES TOP
SURFACE FINISH	125.0 MICROINCHES OUTER
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763,CLASS 410,COND T FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER	4.000 INCHES NOMINAL IN
MATERIAL THICKNESS	0.062 INCHES NOMINAL IN
SPECIAL FEATURES	TWO INTERNAL KEYS 180 DEGREES APART,0.125 IN. NOM. THK AND 0.242 IN. NOM. DEEP FROM INSIDE DIA. IN
END ITEM IDENTIFICATION	SUB ATMOSPHERE CONTROL
MATERIAL	STEEL COMP 410 OVERALL

SUBSTITUTES & CROSS-REFERENCES 3

4D10616Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

4D10618-001Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

4D10616FN10Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 4D10618?

4D10618 is a WASHER,SPRING TENSION.

What parts can replace 4D10618?

There are 3 known substitutes for 4D10618: 4D10616, 4D10618-001, 4D10616FN10. Substitute compatibility should be verified for your specific system.

What is the NSN for 4D10618?

4D10618 is cataloged in the U.S. Government catalog under NSN 5310-01-476-4942. This indicates validated use in U.S. government and defense supply chains.

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4D10618 — WASHER,SPRING TENSION

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