R10303-7 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

R10303-7: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON LOCKING INSERT, nut_style: HEXAGON, nut_height: 0.181 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNS, locking_feature: PREVAILING TORQUE WITH NONMETALLIC INSERT. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-001-9834, 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

R10303-7

NSN: 5310-00-001-9834
FSC: 5310 — Nuts and Washers
CAGE: 0BR59 — SIEMENS GOVERNMENT TECHNOLOGIES, INC. DBA SGT DRESSER-RAND DIV SGT DRESSER-RAND (USA)

SPECIFICATIONS

material	PLASTIC POLYAMIDE NYLON LOCKING INSERT
nut_style	HEXAGON
nut_height	0.181 INCHES NOMINAL IN
thread_class	2B
thread_series	UNS
locking_feature	PREVAILING TORQUE WITH NONMETALLIC INSERT
special_features	ROUNEDE CORNERS AND CONVEX SHAPE ON ONE BEARING SURFACE
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM NUT
width_across_flats	0.625 INCHES NOMINAL IN
nominal_thread_size	0.437 INCHES IN
bearing_surface_type	CHAMFERED
NSN	5310-00-001-9834

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.625 INCHES NOMINAL IN

•

THREAD SERIES: UNS

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.437 INCHES IN

•

LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT

•

NUT HEIGHT: 0.181 INCHES NOMINAL IN

•

SURFACE TREATMENT: CADMIUM NUT

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.625 INCHES NOMINAL IN
THREAD SERIES	UNS
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.437 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE WITH NONMETALLIC INSERT
NUT HEIGHT	0.181 INCHES NOMINAL IN
SPECIAL FEATURES	ROUNEDE CORNERS AND CONVEX SHAPE ON ONE BEARING SURFACE
SURFACE TREATMENT	CADMIUM NUT
NUT STYLE	HEXAGON
THREAD CLASS	2B

SUBSTITUTES & CROSS-REFERENCES 3

10303-7Reference document

Same NSN cross-reference

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

10303-007Reference document

Same NSN cross-reference

Reference document — Secondary reference

R10303-007Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

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 R10303-7?

R10303-7 is a NUT,SELF-LOCKING,HEXAGON.

What parts can replace R10303-7?

There are 3 known substitutes for R10303-7: 10303-7, 10303-007, R10303-007. Substitute compatibility should be verified for your specific system.

What is the NSN for R10303-7?

R10303-7 is cataloged in the U.S. Government catalog under NSN 5310-00-001-9834. This indicates validated use in U.S. government and defense supply chains.

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R10303-7 — NUT,SELF-LOCKING,HEXAGON

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