A448-3-33 — WASHER,SPRING TENSION

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

A448-3-33: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 304 OVERALL, hole_diameter: 0.180 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES ALL SURFACES, outside_diameter: 0.320 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN, special_features: RECESS ANGLE 105 DEG MIN,115 DEG MAX, style_designator: SPRING TENSION. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-352-0478, 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

A448-3-33

NSN: 5310-00-352-0478
FSC: 5310 — Nuts and Washers
CAGE: 86928 — SEASTROM MANUFACTURING CO INC (USA)

SPECIFICATIONS

material	STEEL COMP 302 OR STEEL COMP 304 OVERALL
hole_diameter	0.180 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN
surface_finish	63.0 MICROINCHES ALL SURFACES
outside_diameter	0.320 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN
special_features	RECESS ANGLE 105 DEG MIN,115 DEG MAX
style_designator	SPRING TENSION
surface_treatment	PASSIVATE OVERALL
material_thickness	0.021 INCHES NOMINAL IN
material_document_and_classification	QQ-S-766,COND A FED SPEC ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classification	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-00-352-0478

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 63.0 MICROINCHES ALL SURFACES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

STYLE DESIGNATOR: SPRING TENSION

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-766,COND A FED SPEC ALL MATERIAL RESPONSES OVERALL

•

OUTSIDE DIAMETER: 0.320 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN

•

MATERIAL THICKNESS: 0.021 INCHES NOMINAL IN

•

SURFACE TREATMENT: PASSIVATE OVERALL

TECHNICAL CHARACTERISTICS

SURFACE FINISH	63.0 MICROINCHES ALL SURFACES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATOR	SPRING TENSION
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-766,COND A FED SPEC ALL MATERIAL RESPONSES OVERALL
OUTSIDE DIAMETER	0.320 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN
MATERIAL THICKNESS	0.021 INCHES NOMINAL IN
SPECIAL FEATURES	RECESS ANGLE 105 DEG MIN,115 DEG MAX
SURFACE TREATMENT	PASSIVATE OVERALL
MATERIAL	STEEL COMP 302 OR STEEL COMP 304 OVERALL
HOLE DIAMETER	0.180 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN

SUBSTITUTES & CROSS-REFERENCES 5

10121316Reference document

Same NSN cross-reference

Reference document — Informative reference only

448-3-3Reference document

Same NSN cross-reference

Reference document — Secondary reference

ST4M159-3Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

5310PL0720063Reference document

Same NSN cross-reference

Reference document — Informative reference only

10596-01Same 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 A448-3-33?

A448-3-33 is a WASHER,SPRING TENSION.

What parts can replace A448-3-33?

There are 5 known substitutes for A448-3-33: 10121316, 448-3-3, ST4M159-3 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for A448-3-33?

A448-3-33 is cataloged in the U.S. Government catalog under NSN 5310-00-352-0478. This indicates validated use in U.S. government and defense supply chains.

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