74384M14 — NUT,PLAIN,EXTENDED WASHER,DOUBLE

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

74384M14: NUT,PLAIN,EXTENDED WASHER,DOUBLE.

NUT,PLAIN,EXTENDED WASHER,DOUBLE. Key specifications include material: NICKEL ALLOY 718 OVERALL, nut_style: DOUBLE HEXAGON, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.958 INCHES MAXIMUM IN, special_features: SLOTS IN UPPER PORTION OF NUT; DRY FILM LUBRICANT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-057-3103, 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

74384M14

NSN: 5310-01-057-3103
FSC: 5310 — Nuts and Washers
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)

SPECIFICATIONS

material	NICKEL ALLOY 718 OVERALL
nut_style	DOUBLE HEXAGON
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
overall_height	0.958 INCHES MAXIMUM IN
special_features	SLOTS IN UPPER PORTION OF NUT; DRY FILM LUBRICANT
thread_direction	RIGHT-HAND
washer_thickness	0.200 INCHES NOMINAL IN
surface_treatment	PASSIVATE OVERALL
width_across_flats	1.052 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN
nominal_thread_size	0.875 INCHES IN
washer_outside_diameter	1.438 INCHES MAXIMUM IN
NSN	5310-01-057-3103

COMPONENT DIAGRAM

KEY FEATURES

•

WASHER OUTSIDE DIAMETER: 1.438 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 1.052 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

WASHER THICKNESS: 0.200 INCHES NOMINAL IN

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.875 INCHES IN

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.958 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	1.438 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	1.052 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
WASHER THICKNESS	0.200 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.875 INCHES IN
SPECIAL FEATURES	SLOTS IN UPPER PORTION OF NUT; DRY FILM LUBRICANT
SURFACE TREATMENT	PASSIVATE OVERALL
NUT STYLE	DOUBLE HEXAGON

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 3

74384-14MSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

ST3M612C14MSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

11572-14Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 74384M14?

74384M14 is a NUT,PLAIN,EXTENDED WASHER,DOUBLE.

What parts can replace 74384M14?

There are 3 known substitutes for 74384M14: 74384-14M, ST3M612C14M, 11572-14. Substitute compatibility should be verified for your specific system.

What is the NSN for 74384M14?

74384M14 is cataloged in the U.S. Government catalog under NSN 5310-01-057-3103. This indicates validated use in U.S. government and defense supply chains.

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74384M14 — NUT,PLAIN,EXTENDED WASHER,DOUBLE

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