H33-4 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

H33-4: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL, nut_style: DOUBLE HEXAGON, design_type: CORD EDGE, temp_rating: 1200.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.

Government catalog under NSN 5310-00-007-0254, 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

H33-4

NSN: 5310-00-007-0254
NIINs: 000070254, 013701679, 014074082
FSC: 5310 — Nuts and Washers
CAGE: F7652 — KLX AEROSPACE SOLUTIONS II SAS (FRA)

SPECIFICATIONS

material	STEEL
nut_style	DOUBLE HEXAGON
design_type	CORD EDGE
temp_rating	1200.0 FAHRENHEIT NOMINAL DEGF
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
overall_height	0.328 INCHES MAXIMUM IN
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
special_features	CORD GRIPPING RANGE 0.540 IN. THROUGH 0.625 IN. IN
thread_direction	RIGHT-HAND
precious_material	SILVER
width_across_flats	0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
NSN	5310-00-007-0254

COMPONENT DIAGRAM

KEY FEATURES

•

WASHER OUTSIDE DIAMETER: 0.440 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

PRECIOUS MATERIAL: SILVER

•

TEMP RATING: 1200.0 FAHRENHEIT NOMINAL DEGF

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.328 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	0.440 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
PRECIOUS MATERIAL	SILVER
TEMP RATING	1200.0 FAHRENHEIT NOMINAL DEGF
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.250 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN

SUBSTITUTES & CROSS-REFERENCES 6

LH3417-048Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

R398P2EReference document

Same NSN cross-reference

Reference document — Secondary reference

VN405B048Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

R398P2Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

R398P2CReference document

Same NSN cross-reference

Reference document — Secondary reference

R398P2AReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is H33-4?

H33-4 is a NUT,SELF-LOCKING,EXTENDED WASHER.

What parts can replace H33-4?

There are 6 known substitutes for H33-4: LH3417-048, R398P2E, VN405B048 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for H33-4?

H33-4 is cataloged in the U.S. Government catalog under NSN 5310-00-007-0254. This indicates validated use in U.S. government and defense supply chains.

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