955556-304 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

955556-304: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303SE NUT, nut_style: HEXAGON, nut_height: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, thread_class: 2B, thread_series: UNEF. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-912-5101, 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

955556-304

NSN: 5310-00-912-5101
FSC: 5310 — Nuts and Washers
CAGE: 94756 — THE BOEING COMPANY DIV LEGACY BOEING HB1 (USA)

SPECIFICATIONS

material	STEEL COMP 303SE NUT
nut_style	HEXAGON
nut_height	0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
temp_rating	250.0 FAHRENHEIT NOMINAL DEGF
thread_class	2B
thread_series	UNEF
locking_feature	PREVAILING TORQUE WITH NONMETALLIC INSERT
thread_direction	RIGHT-HAND
countersink_angle	90.0 DEGREES NOMINAL NUT
surface_treatment	PASSIVATE NUT
width_across_flats	0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
nominal_thread_size	0.375 INCHES IN
NSN	5310-00-912-5101

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN

•

THREAD SERIES: UNEF

•

TEMP RATING: 250.0 FAHRENHEIT NOMINAL DEGF

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 COND A ASSN STD SINGLE MATERIAL RESPONSE NUT

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.375 INCHES IN

•

LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT

•

NUT HEIGHT: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
THREAD SERIES	UNEF
TEMP RATING	250.0 FAHRENHEIT NOMINAL DEGF
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 COND A ASSN STD SINGLE MATERIAL RESPONSE NUT
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.375 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE WITH NONMETALLIC INSERT
NUT HEIGHT	0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
SURFACE TREATMENT	PASSIVATE NUT
COUNTERSINK ANGLE	90.0 DEGREES NOMINAL NUT

SUBSTITUTES & CROSS-REFERENCES 1

S8556Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 955556-304?

955556-304 is a NUT,SELF-LOCKING,HEXAGON.

What parts can replace 955556-304?

There is 1 known substitute for 955556-304: S8556. Substitute compatibility should be verified for your specific system.

What is the NSN for 955556-304?

955556-304 is cataloged in the U.S. Government catalog under NSN 5310-00-912-5101. This indicates validated use in U.S. government and defense supply chains.

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955556-304 — NUT,SELF-LOCKING,HEXAGON

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