ST3M788-14 — NUT,PLAIN,EXTENDED WASHER,HEXAGO

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

ST3M788-14: NUT,PLAIN,EXTENDED WASHER,HEXAGO.

NUT,PLAIN,EXTENDED WASHER,HEXAGO. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: SLOTTED HEXAGON, temp_rating: 450.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.422 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-133-9472, 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

ST3M788-14

NSN: 5310-01-133-9472
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
nut_style	SLOTTED HEXAGON
temp_rating	450.0 FAHRENHEIT MAXIMUM DEGF
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
overall_height	0.422 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
washer_thickness	0.070 INCHES NOMINAL IN
width_across_flats	1.130 INCHES NOMINAL IN
nominal_thread_size	0.875 INCHES IN
washer_outside_diameter	1.300 INCHES MINIMUM AND 1.345 INCHES MAXIMUM IN
thread_quantity_per_inch	14
NSN	5310-01-133-9472

COMPONENT DIAGRAM

KEY FEATURES

•

WASHER OUTSIDE DIAMETER: 1.300 INCHES MINIMUM AND 1.345 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 1.130 INCHES NOMINAL IN

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

TEMP RATING: 450.0 FAHRENHEIT MAXIMUM DEGF

•

WASHER THICKNESS: 0.070 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.422 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	1.300 INCHES MINIMUM AND 1.345 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	1.130 INCHES NOMINAL IN
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
TEMP RATING	450.0 FAHRENHEIT MAXIMUM DEGF
WASHER THICKNESS	0.070 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.875 INCHES IN
NUT STYLE	SLOTTED HEXAGON

SUBSTITUTES & CROSS-REFERENCES 3

BH788-14Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

10109696Reference document

Same NSN cross-reference

Reference document — Informative reference only

E12589-14Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 ST3M788-14?

ST3M788-14 is a NUT,PLAIN,EXTENDED WASHER,HEXAGO.

What parts can replace ST3M788-14?

There are 3 known substitutes for ST3M788-14: BH788-14, 10109696, E12589-14. Substitute compatibility should be verified for your specific system.

What is the NSN for ST3M788-14?

ST3M788-14 is cataloged in the U.S. Government catalog under NSN 5310-01-133-9472. This indicates validated use in U.S. government and defense supply chains.

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ST3M788-14 — NUT,PLAIN,EXTENDED WASHER,HEXAGO

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