DAA7278D119-001 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

DAA7278D119-001: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL COMP 303 OVERALL, nut_style: HEXAGON, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), overall_height: 0.500 INCHES NOMINAL IN, locking_feature: PREVAILING TORQUE ALL METAL DESIGN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-388-5099, 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

DAA7278D119-001

NSN: 5310-01-388-5099
FSC: 5310 — Nuts and Washers
CAGE: 1W025 — NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN COMPUTING SYSTEMS (USA)

SPECIFICATIONS

material	STEEL COMP 303 OVERALL
nut_style	HEXAGON
thread_class	2B
thread_series	UNIFIED NATIONAL COARSE (UNC)
overall_height	0.500 INCHES NOMINAL IN
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
washer_thickness	0.090 INCHES NOMINAL IN
surface_treatment	PASSIVATE OVERALL
width_across_flats	0.562 INCHES NOMINAL IN
nominal_thread_size	0.375 INCHES IN
washer_outside_diameter	0.750 INCHES NOMINAL IN
NSN	5310-01-388-5099

COMPONENT DIAGRAM

KEY FEATURES

•

WASHER OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN

•

WIDTH ACROSS FLATS: 0.562 INCHES NOMINAL IN

•

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

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

WASHER THICKNESS: 0.090 INCHES NOMINAL IN

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.375 INCHES IN

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.500 INCHES NOMINAL IN
WASHER OUTSIDE DIAMETER	0.750 INCHES NOMINAL IN
WIDTH ACROSS FLATS	0.562 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
WASHER THICKNESS	0.090 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.375 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
SURFACE TREATMENT	PASSIVATE OVERALL

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 DAA7278D119-001?

DAA7278D119-001 is a NUT,SELF-LOCKING,EXTENDED WASHER.

What is the NSN for DAA7278D119-001?

DAA7278D119-001 is cataloged in the U.S. Government catalog under NSN 5310-01-388-5099. This indicates validated use in U.S. government and defense supply chains.

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DAA7278D119-001 — NUT,SELF-LOCKING,EXTENDED WASHER

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