25-856525 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

25-856525: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include special_features: INTAKE;QUANTITY-1, part_name_assigned_by_controlling_agency: O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-408-6123, 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

25-856525

NSN: 5310-00-408-6123
NIINs: 004086123, 016869285
FSC: 5310 — Nuts and Washers
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)

SPECIFICATIONS

special_features	INTAKE;QUANTITY-1
part_name_assigned_by_controlling_agency	O-RING
NSN	5310-00-408-6123

COMPONENT DIAGRAM

KEY FEATURES

•

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

•

OVERALL DIAMETER: 0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: CPW52,FSCM 00198 MFR REF 1ST MATERIAL RESPONSE OR QQ-S-766 COND A 1/2 HARD FED SPEC 2ND MATERIAL RESPONSE OR MIL-S-5059 1/4 HARD MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5059 1/2 HARD MIL SPEC 2ND MATERIAL RESPONSE OR QQ-S-766 COND A 1/4 HARD FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-766 COND A 1/2 HARD FED SPEC 3RD MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

SURFACE TREATMENT: PASSIVATE OVERALL

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: STEEL OR STEEL COMP 301 OR STEEL COMP 302 OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER	0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	CPW52,FSCM 00198 MFR REF 1ST MATERIAL RESPONSE OR QQ-S-766 COND A 1/2 HARD FED SPEC 2ND MATERIAL RESPONSE OR MIL-S-5059 1/4 HARD MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5059 1/2 HARD MIL SPEC 2ND MATERIAL RESPONSE OR QQ-S-766 COND A 1/4 HARD FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-766 COND A 1/2 HARD FED SPEC 3RD MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
SURFACE TREATMENT	PASSIVATE OVERALL
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	STEEL OR STEEL COMP 301 OR STEEL COMP 302 OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.627 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
THICKNESS	0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN

SUBSTITUTES & CROSS-REFERENCES 2

5710-106-30Reference document

Same NSN cross-reference

Reference document — Replaced / superseded reference

G440050-7Reference document

Same NSN cross-reference

Reference document — Replaced / superseded reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is 25-856525?

25-856525 is a WASHER,FLAT.

What parts can replace 25-856525?

There are 2 known substitutes for 25-856525: 5710-106-30, G440050-7. Substitute compatibility should be verified for your specific system.

What is the NSN for 25-856525?

25-856525 is cataloged in the U.S. Government catalog under NSN 5310-00-408-6123. This indicates validated use in U.S. government and defense supply chains.

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