ST3M752-5 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

ST3M752-5: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: NICKEL ALLOY 718 OVERALL, nut_style: SPLINE DRIVE, lubrication: DRY FILM LUBRICANT, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.312 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-129-0807, 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

ST3M752-5

NSN: 5310-01-129-0807
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	NICKEL ALLOY 718 OVERALL
nut_style	SPLINE DRIVE
lubrication	DRY FILM LUBRICANT
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
overall_height	0.312 INCHES MAXIMUM IN
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
washer_thickness	0.035 INCHES MINIMUM IN
nominal_thread_size	0.312 INCHES IN
drive_point_quantity	12
washer_outside_diameter	0.563 INCHES MAXIMUM IN
NSN	5310-01-129-0807

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: DRY FILM LUBRICANT

•

WASHER OUTSIDE DIAMETER: 0.563 INCHES MAXIMUM IN

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

WASHER THICKNESS: 0.035 INCHES MINIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5663 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.312 INCHES IN

TECHNICAL CHARACTERISTICS

LUBRICATION	DRY FILM LUBRICANT
OVERALL HEIGHT	0.312 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	0.563 INCHES MAXIMUM IN
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
WASHER THICKNESS	0.035 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5663 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.312 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
DRIVE POINT QUANTITY	12

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 4

SLN187-5Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

10109520Reference document

Same NSN cross-reference

Reference document — Informative reference only

3929AS1232-5Reference document

Same NSN cross-reference

Reference document — Secondary reference

LH12038-5Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is ST3M752-5?

ST3M752-5 is a NUT,SELF-LOCKING,EXTENDED WASHER.

What parts can replace ST3M752-5?

There are 4 known substitutes for ST3M752-5: SLN187-5, 10109520, 3929AS1232-5 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for ST3M752-5?

ST3M752-5 is cataloged in the U.S. Government catalog under NSN 5310-01-129-0807. This indicates validated use in U.S. government and defense supply chains.

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