FF-S-86 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

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

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 OR STEEL COMP XM-7 OVERALL, hole_type: DRILLED, nut_style: HEXAGON, head_style: FILLISTER, nut_height: 0.212 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN, head_height: 0.864 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-001-4822, 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

NSN: 5305-00-001-4822
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FSC: 5305 — Screws
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)

SPECIFICATIONS

material	STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 OR STEEL COMP XM-7 OVERALL
hole_type	DRILLED
nut_style	HEXAGON
head_style	FILLISTER
nut_height	0.212 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
head_height	0.864 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
spline_width	0.089 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN
thread_class	3A A
chamfer_angle	45.0 RADIANS MINIMUM AND 60.0 RADIANS MAXIMUM
head_diameter	1.293 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
hole_diameter	0.091 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
hole_quantity	1
NSN	5305-00-001-4822

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.187 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN

•

HEAD HEIGHT: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN

•

FASTENER LENGTH: 2.940 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 1.000 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN

•

HARDNESS RATING: 80.0 ROCKWELL B MINIMUM OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD 1ST MATERIAL RESPONSE OR 66 FED STD 2ND MATERIAL RESPONSE OR 66 FED STD 3RD MATERIAL RESPONSE OR 66 FED STD 4TH MATERIAL RESPONSE OR 66 FED STD 5TH MATERIAL RESPONSE OR ASTM-A493 AISI XM-7 ASSN STD 6TH MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.187 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
HEAD HEIGHT	0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
FASTENER LENGTH	2.940 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	1.000 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
HARDNESS RATING	80.0 ROCKWELL B MINIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD 1ST MATERIAL RESPONSE OR 66 FED STD 2ND MATERIAL RESPONSE OR 66 FED STD 3RD MATERIAL RESPONSE OR 66 FED STD 4TH MATERIAL RESPONSE OR 66 FED STD 5TH MATERIAL RESPONSE OR ASTM-A493 AISI XM-7 ASSN STD 6TH MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	FLAT CHAMFER
THREAD DIRECTION	RIGHT-HAND

SUBSTITUTES & CROSS-REFERENCES 3

2462438PC79Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

MIL-DTL-18240FReference document

Same NSN cross-reference

Reference document — Identification reference

0F34-0603-00Reference 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 FF-S-86?

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

What parts can replace FF-S-86?

There are 3 known substitutes for FF-S-86: 2462438PC79, MIL-DTL-18240F, 0F34-0603-00. Substitute compatibility should be verified for your specific system.

What is the NSN for FF-S-86?

FF-S-86 is cataloged in the U.S. Government catalog under NSN 5305-00-001-4822. This indicates validated use in U.S. government and defense supply chains.

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FF-S-86 — SCREW,CAP,SOCKET HEAD

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