69938-428-1 — NUT,SELF-LOCKING,ROUND

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

69938-428-1: NUT,SELF-LOCKING,ROUND.

The NUT,SELF-LOCKING,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 601 OVERALL, nut_style: ROUND, nut_diameter: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, thread_class: 3B, nut_thickness: 0.501 INCHES MINIMUM AND 0.511 INCHES MAXIMUM IN, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.

Government catalog under NSN 5310-00-107-2222, 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

69938-428-1

NSN: 5310-00-107-2222
FSC: 5310 — Nuts and Washers
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)

SPECIFICATIONS

material	STEEL COMP 601 OVERALL
nut_style	ROUND
nut_diameter	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
thread_class	3B
nut_thickness	0.501 INCHES MINIMUM AND 0.511 INCHES MAXIMUM IN
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
hardness_rating	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM OVERALL
width_across_flats	0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
nominal_thread_size	0.250 INCHES IN
NSN	5310-00-107-2222

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.250 INCHES IN

•

NUT DIAMETER: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.250 INCHES IN
NUT DIAMETER	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
NUT THICKNESS	0.501 INCHES MINIMUM AND 0.511 INCHES MAXIMUM IN

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

9661M60P02Same 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 69938-428-1?

69938-428-1 is a NUT,SELF-LOCKING,ROUND.

What parts can replace 69938-428-1?

There is 1 known substitute for 69938-428-1: 9661M60P02. Substitute compatibility should be verified for your specific system.

What is the NSN for 69938-428-1?

69938-428-1 is cataloged in the U.S. Government catalog under NSN 5310-00-107-2222. This indicates validated use in U.S. government and defense supply chains.

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69938-428-1 — NUT,SELF-LOCKING,ROUND

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