40A11998-2 — WASHER,RECESSED

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

40A11998-2: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 321 OVERALL, recess_angle: 100.0 DEGREES NOMINAL, hole_diameter: 0.316 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN, recess_diameter: 0.376 INCHES MINIMUM AND 0.436 INCHES MAXIMUM IN, special_features: RECTANGULAR STYLE,0.700 IN. WIDTH; 1.000 IN.

LENGTH IN, material_thickness: 0.187 INCHES NOMINAL IN. This part is cataloged in the U.S. Government catalog under NSN 5310-01-359-0253, 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

40A11998-2

NSN: 5310-01-359-0253
FSC: 5310 — Nuts and Washers
CAGE: 15090 — RAYTHEON COMPANY (USA)

SPECIFICATIONS

material	STEEL COMP 321 OVERALL
recess_angle	100.0 DEGREES NOMINAL
hole_diameter	0.316 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN
recess_diameter	0.376 INCHES MINIMUM AND 0.436 INCHES MAXIMUM IN
special_features	RECTANGULAR STYLE,0.700 IN. WIDTH; 1.000 IN. LENGTH IN
material_thickness	0.187 INCHES NOMINAL IN
material_document_and_classification	QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-01-359-0253

COMPONENT DIAGRAM

KEY FEATURES

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

MATERIAL THICKNESS: 0.187 INCHES NOMINAL IN

•

RECESS DIAMETER: 0.376 INCHES MINIMUM AND 0.436 INCHES MAXIMUM IN

•

MATERIAL: STEEL COMP 321 OVERALL

•

HOLE DIAMETER: 0.316 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN

•

RECESS ANGLE: 100.0 DEGREES NOMINAL

TECHNICAL CHARACTERISTICS

MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS	0.187 INCHES NOMINAL IN
RECESS DIAMETER	0.376 INCHES MINIMUM AND 0.436 INCHES MAXIMUM IN
SPECIAL FEATURES	RECTANGULAR STYLE,0.700 IN. WIDTH; 1.000 IN. LENGTH IN
MATERIAL	STEEL COMP 321 OVERALL
HOLE DIAMETER	0.316 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN
RECESS ANGLE	100.0 DEGREES NOMINAL

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

No substitute or cross-reference records for this part.

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 40A11998-2?

40A11998-2 is a WASHER,RECESSED.

What is the NSN for 40A11998-2?

40A11998-2 is cataloged in the U.S. Government catalog under NSN 5310-01-359-0253. This indicates validated use in U.S. government and defense supply chains.

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40A11998-2 — WASHER,RECESSED

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