FF-S-86 TY VI — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

FF-S-86 TY VI: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OVERALL, head_style: FLAT CHAMFER, head_height: 0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, thread_class: 3A A, chamfer_angle: 30.0 DEGREES MINIMUM AND 45.0 DEGREES MAXIMUM, head_diameter: 0.921 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-318-5234, 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-S-86 TY VI

NSN: 5305-01-318-5234
NIINs: 013185234, 014075721, 014819644, 016437748, 017072924, 017187292
FSC: 5305 — Screws
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)

SPECIFICATIONS

material	NICKEL ALLOY 400 OVERALL
head_style	FLAT CHAMFER
head_height	0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
thread_class	3A A
chamfer_angle	30.0 DEGREES MINIMUM AND 45.0 DEGREES MAXIMUM
head_diameter	0.921 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
thread_length	1.50 INCHES MINIMUM IN
fastener_length	6.50 INCHES NOMINAL IN
special_features	USED ON BALLISTIC ELEVATOR DOOR, CVA 63
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
width_across_flats	0.500 INCHES NOMINAL IN
NSN	5305-01-318-5234

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.188 INCHES NOMINAL IN

•

HEAD HEIGHT: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.500 INCHES NOMINAL IN

•

THREAD LENGTH: 0.400 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: FLAT CHAMFER

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.188 INCHES NOMINAL IN
HEAD HEIGHT	0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
FASTENER LENGTH	0.500 INCHES NOMINAL IN
THREAD LENGTH	0.400 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-286 CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	FLAT CHAMFER
THREAD DIRECTION	RIGHT-HAND
NONDEFINITIVE SPEC/STD DATA	6 TYPE
MINIMUM TENSILE STRENGTH	130000 POUNDS PER SQUARE INCH LBS

SUBSTITUTES & CROSS-REFERENCES 5

QQN286,0.250-20 UNC-3AX2.00Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

FF-S-86 1/4-20U NC 3A-1/2 INReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

1/4-20UNC-3A X 1/2 LGReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

1/4-20UNC-3AX1/2 IN. LG.Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

FF-S-86Reference document

Same NSN cross-reference

Reference document — Identification 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 FF-S-86 TY VI?

FF-S-86 TY VI is a SCREW,MACHINE.

What parts can replace FF-S-86 TY VI?

There are 5 known substitutes for FF-S-86 TY VI: QQN286,0.250-20 UNC-3AX2.00, FF-S-86 1/4-20U NC 3A-1/2 IN, 1/4-20UNC-3A X 1/2 LG and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for FF-S-86 TY VI?

FF-S-86 TY VI is cataloged in the U.S. Government catalog under NSN 5305-01-318-5234. This indicates validated use in U.S. government and defense supply chains.

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