H1202W-428 — NUT,SELF-LOCKING,SINGLE BALL SEA

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

H1202W-428: NUT,SELF-LOCKING,SINGLE BALL SEA.

NUT,SELF-LOCKING,SINGLE BALL SEA. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: SINGLE BALL SEAT, DOUBLE HEXAGON, nut_height: 0.505 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), locking_feature: PREVAILING TORQUE ALL METAL DESIGN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-175-3711, 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

H1202W-428

NSN: 5310-01-175-3711
FSC: 5310 — Nuts and Washers
CAGE: SF773 — NATIONAL AEROSPACE FASTENERS CORPORATION

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
nut_style	SINGLE BALL SEAT, DOUBLE HEXAGON
nut_height	0.505 INCHES NOMINAL IN
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
special_features	F118 ENGINE QUALIFIED
thread_direction	RIGHT-HAND
width_across_flats	0.312 INCHES NOMINAL IN
nominal_thread_size	0.250 INCHES IN
thread_quantity_per_inch	28
material_document_and_classification	AMS5709 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-01-175-3711

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.312 INCHES NOMINAL IN

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS5709 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.250 INCHES IN

•

LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN

•

NUT HEIGHT: 0.505 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.312 INCHES NOMINAL IN
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5709 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.250 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
NUT HEIGHT	0.505 INCHES NOMINAL IN
SPECIAL FEATURES	F118 ENGINE QUALIFIED
NUT STYLE	SINGLE BALL SEAT, DOUBLE HEXAGON
THREAD CLASS	3B

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 7

CR5555-4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

H50185-4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

BA15160-04Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

J980P04DReference document

Same NSN cross-reference

Reference document — Secondary reference

J980P04BReference document

Same NSN cross-reference

Reference document — Secondary reference

BH00250-4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is H1202W-428?

H1202W-428 is a NUT,SELF-LOCKING,SINGLE BALL SEA.

What parts can replace H1202W-428?

There are 7 known substitutes for H1202W-428: CR5555-4, H50185-4, BA15160-04 and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for H1202W-428?

H1202W-428 is cataloged in the U.S. Government catalog under NSN 5310-01-175-3711. This indicates validated use in U.S. government and defense supply chains.

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