R1811 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

R1811: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN, thread_length: 0.489 INCHES NOMINAL IN, fastener_length: 0.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-353-2022, 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

R1811

NSN: 5305-01-353-2022
FSC: 5305 — Screws
CAGE: 07516 — MANITOU NORTH AMERICA INC (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
head_style	FLAT COUNTERSUNK
thread_class	3A A
head_diameter	0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
thread_length	0.489 INCHES NOMINAL IN
fastener_length	0.750 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
countersink_angle	80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
width_across_flats	0.156 INCHES NOMINAL IN
internal_drive_style	HEXAGON
nominal_thread_diameter	0.250 INCHES IN
thread_quantity_per_inch	20
NSN	5305-01-353-2022

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.156 INCHES NOMINAL IN

•

FASTENER LENGTH: 0.750 INCHES NOMINAL IN

•

THREAD LENGTH: 0.489 INCHES NOMINAL IN

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

INTERNAL DRIVE STYLE: HEXAGON

•

COUNTERSINK ANGLE: 80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.156 INCHES NOMINAL IN
FASTENER LENGTH	0.750 INCHES NOMINAL IN
THREAD LENGTH	0.489 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
INTERNAL DRIVE STYLE	HEXAGON
COUNTERSINK ANGLE	80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
THREAD CLASS	3A A
THREAD QUANTITY PER INCH	20

SUBSTITUTES & CROSS-REFERENCES 4

9G412Reference document

Same NSN cross-reference

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

211041411Reference document

Same NSN cross-reference

Reference document — Secondary reference

FF-S-86Reference document

Same NSN cross-reference

Reference document — Identification reference

ANSI B18.3Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

Ready to buy R1811?

Compare prices from verified sellers on eBay

Buy on eBay →

As an eBay Partner, PartsTable may earn a commission. Your price is not affected.

FREQUENTLY ASKED QUESTIONS

What is R1811?

R1811 is a SCREW,CAP,SOCKET HEAD.

What parts can replace R1811?

There are 4 known substitutes for R1811: 9G412, 211041411, FF-S-86 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for R1811?

R1811 is cataloged in the U.S. Government catalog under NSN 5305-01-353-2022. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

R1811 — SCREW,CAP,SOCKET HEAD

Request a Quote — R1811