R991P3-085 — NUT,SELF-LOCKING,SPLINE

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

R991P3-085: NUT,SELF-LOCKING,SPLINE.

The NUT,SELF-LOCKING,SPLINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1117 OVERALL, nut_style: SPLINE, nut_height: 0.257 INCHES NOMINAL IN, pilot_length: 0.085 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5310-00-596-5475, 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

R991P3-085

NSN: 5310-00-596-5475
FSC: 5310 — Nuts and Washers
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)

SPECIFICATIONS

material	STEEL COMP 1117 OVERALL
nut_style	SPLINE
nut_height	0.257 INCHES NOMINAL IN
pilot_length	0.085 INCHES NOMINAL IN
thread_class	3B
thread_series	UNIFIED NATIONAL COARSE (UNC)
pilot_diameter	0.220 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM OVERALL
width_across_flats	0.3125 INCHES NOMINAL IN
nominal_thread_size	0.138 INCHES IN
NSN	5310-00-596-5475

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.3125 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 1 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

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

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.138 INCHES IN

•

PILOT DIAMETER: 0.220 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN

•

PILOT LENGTH: 0.085 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.3125 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 1 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.138 INCHES IN
PILOT DIAMETER	0.220 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN
PILOT LENGTH	0.085 INCHES NOMINAL IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
NUT HEIGHT	0.257 INCHES NOMINAL IN

OTHER ITEMS IN FSC 5310 — Nuts and Washers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540

SUBSTITUTES & CROSS-REFERENCES 1

22FP2-632Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 R991P3-085?

R991P3-085 is a NUT,SELF-LOCKING,SPLINE.

What parts can replace R991P3-085?

There is 1 known substitute for R991P3-085: 22FP2-632. Substitute compatibility should be verified for your specific system.

What is the NSN for R991P3-085?

R991P3-085 is cataloged in the U.S. Government catalog under NSN 5310-00-596-5475. This indicates validated use in U.S. government and defense supply chains.

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R991P3-085 — NUT,SELF-LOCKING,SPLINE

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