FF-S-86 TY 4 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

FF-S-86 TY 4: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 1.112 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN, thread_length: 0.119 INCHES NOMINAL IN, fastener_length: 0.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-081-5683, 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 4

NSN: 5305-00-081-5683
NIINs: 000815683, 012337774, 012669215, 012866046, 012921388, 013190384, 013568410, 013568411, 013568412, 013568413, 016739276
FSC: 5305 — Screws
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

material	COPPER ALLOY OVERALL
head_style	FLAT COUNTERSUNK
thread_class	3A A
head_diameter	1.112 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
thread_length	0.119 INCHES NOMINAL IN
fastener_length	0.625 INCHES NOMINAL IN
hardness_rating	80.0 ROCKWELL B NOMINAL OVERALL
locking_feature	PATCH OR PELLET OR STRIP THREADS
special_features	MATL IS NICKEL-COPPER
thread_direction	RIGHT-HAND
countersink_angle	80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
surface_treatment	CADMIUM AND CHROMATE OVERALL
NSN	5305-00-081-5683

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.094 INCHES NOMINAL IN

•

FASTENER LENGTH: 0.500 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.454 INCHES MINIMUM IN

•

HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.164 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.094 INCHES NOMINAL IN
FASTENER LENGTH	0.500 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.454 INCHES MINIMUM IN
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.164 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL

SUBSTITUTES & CROSS-REFERENCES 6

MS24667-14Reference document

Same NSN cross-reference

Reference document — Secondary reference

FF-S-86TY4 0.16 4-32UNC2AX0.50Reference document

Same NSN cross-reference

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

5343973 PIECE 6Reference document

Same NSN cross-reference

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

FFS86Reference document

Same NSN cross-reference

Reference document — Identification reference

5543973 PIECE 6Reference document

Same NSN cross-reference

Reference document — Secondary reference

NASM24667-14Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· 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 4?

FF-S-86 TY 4 is a SCREW,CAP,SOCKET HEAD.

What parts can replace FF-S-86 TY 4?

There are 6 known substitutes for FF-S-86 TY 4: MS24667-14, FF-S-86TY4 0.16 4-32UNC2AX0.50, 5343973 PIECE 6 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for FF-S-86 TY 4?

FF-S-86 TY 4 is cataloged in the U.S. Government catalog under NSN 5305-00-081-5683. This indicates validated use in U.S. government and defense supply chains.

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