FF-B-836 — NUT,PLAIN,CASTELLATED,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

FF-B-836: NUT,PLAIN,CASTELLATED,HEXAGON.

The NUT,PLAIN,CASTELLATED,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: CASTELLATED, HEXAGON, nut_height: 0.563 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-012-5043, 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

FF-B-836

NSN: 5310-00-012-5043
FSC: 5310 — Nuts and Washers
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)

SPECIFICATIONS

material	STEEL OVERALL
nut_style	CASTELLATED, HEXAGON
nut_height	0.563 INCHES NOMINAL IN
thread_class	2B
thread_series	UNF
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM OR ZINC OVERALL
width_across_flats	0.750 INCHES NOMINAL IN
nominal_thread_size	0.500 INCHES IN
bearing_surface_type	CHAMFERED OR WASHER FACED
thread_quantity_per_inch	20
material_document_and_classification	QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-00-012-5043

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.750 INCHES NOMINAL IN

•

THREAD SERIES: UNF

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.500 INCHES IN

•

NUT HEIGHT: 0.563 INCHES NOMINAL IN

•

SURFACE TREATMENT: CADMIUM OR ZINC OVERALL

•

NUT STYLE: CASTELLATED, HEXAGON

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.750 INCHES NOMINAL IN
THREAD SERIES	UNF
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.500 INCHES IN
NUT HEIGHT	0.563 INCHES NOMINAL IN
SURFACE TREATMENT	CADMIUM OR ZINC OVERALL
NUT STYLE	CASTELLATED, HEXAGON
THREAD CLASS	2B
THREAD QUANTITY PER INCH	20

SUBSTITUTES & CROSS-REFERENCES 2

125043Reference document

Same NSN cross-reference

Reference document — Secondary reference

FFB571TYPEAReference 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 FF-B-836?

FF-B-836 is a NUT,PLAIN,CASTELLATED,HEXAGON.

What parts can replace FF-B-836?

There are 2 known substitutes for FF-B-836: 125043, FFB571TYPEA. Substitute compatibility should be verified for your specific system.

What is the NSN for FF-B-836?

FF-B-836 is cataloged in the U.S. Government catalog under NSN 5310-00-012-5043. This indicates validated use in U.S. government and defense supply chains.

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FF-B-836 — NUT,PLAIN,CASTELLATED,HEXAGON

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