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H-334 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

H-334: 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
H-334
NSN: 5310-00-007-0254
NIINs: 000070254, 013701679, 014074082
FSC: 5310 — Nuts and Washers
CAGE: F7652 — KLX AEROSPACE SOLUTIONS II SAS (FRA)
SPECIFICATIONS
materialSTEEL
nut_styleDOUBLE HEXAGON
design_typeCORD EDGE
temp_rating1200.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
overall_height0.328 INCHES MAXIMUM IN
locking_featurePREVAILING TORQUE ALL METAL DESIGN
special_featuresCORD GRIPPING RANGE 0.540 IN. THROUGH 0.625 IN. IN
thread_directionRIGHT-HAND
precious_materialSILVER
width_across_flats0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
NSN5310-00-007-0254
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: H-334 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
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 HEIGHT0.328 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER0.440 INCHES MAXIMUM IN
WIDTH ACROSS FLATS0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
PRECIOUS MATERIALSILVER
TEMP RATING1200.0 FAHRENHEIT NOMINAL DEGF
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
LOCKING FEATUREPREVAILING 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 H-334?
H-334 is a NUT,SELF-LOCKING,EXTENDED WASHER.
What parts can replace H-334?
There are 6 known substitutes for H-334: LH3417-048, R398P2E, VN405B048 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H-334?
H-334 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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