J1212P04A — NUT,SELF-LOCKING,DOUBLE HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

J1212P04A: NUT,SELF-LOCKING,DOUBLE HEXAGON.

NUT,SELF-LOCKING,DOUBLE HEXAGON. Key specifications include material: NICKEL ALLOY UNS N07001 OVERALL, nut_height: 0.307 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), locking_feature: PREVAILING TORQUE ALL METAL DESIGN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-331-1276, 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

J1212P04A

NSN: 5310-01-331-1276
FSC: 5310 — Nuts and Washers
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)

SPECIFICATIONS

material	NICKEL ALLOY UNS N07001 OVERALL
nut_height	0.307 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
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	AMS 570 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-01-331-1276

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.312 INCHES NOMINAL IN

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 570 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: 0.307 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN

•

THREAD CLASS: 3B

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.312 INCHES NOMINAL IN
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 570 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	0.307 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
THREAD CLASS	3B
THREAD QUANTITY PER INCH	28
MATERIAL	NICKEL ALLOY UNS N07001 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 1

J1212P04DSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 J1212P04A?

J1212P04A is a NUT,SELF-LOCKING,DOUBLE HEXAGON.

What parts can replace J1212P04A?

There is 1 known substitute for J1212P04A: J1212P04D. Substitute compatibility should be verified for your specific system.

What is the NSN for J1212P04A?

J1212P04A is cataloged in the U.S. Government catalog under NSN 5310-01-331-1276. This indicates validated use in U.S. government and defense supply chains.

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J1212P04A — NUT,SELF-LOCKING,DOUBLE HEXAGON

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