1900474-21 — SCREW,ASSEMBLED WASHER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

1900474-21: SCREW,ASSEMBLED WASHER.

The SCREW,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: PAN, head_height: 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.256 INCHES MINIMUM AND 0.294 INCHES MAXIMUM IN, fastener_length: 0.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-522-9506, 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

1900474-21

NSN: 5305-01-522-9506
FSC: 5305 — Screws
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
head_style	PAN
head_height	0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
thread_class	3A A
head_diameter	0.256 INCHES MINIMUM AND 0.294 INCHES MAXIMUM IN
fastener_length	0.625 INCHES NOMINAL IN
washer_quantity	2
thread_direction	RIGHT-HAND
surface_treatment	OXIDE OVERALL
internal_drive_style	CROSS RECESS TYPE 1
primary_washer_style	SPLIT HELICAL RING
secondary_washer_style	FLAT
NSN	5305-01-522-9506

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.625 INCHES NOMINAL IN

•

SECONDARY WASHER RELATIONSHIP TO PRIMARY WASHER: NOT IDENTICAL

•

PRIMARY WASHER OUTSIDE DIAMETER: 0.250 INCHES NOMINAL IN

•

SECONDARY WASHER STYLE: FLAT

•

NOMINAL THREAD DIAMETER: 0.138 INCHES IN

•

HEAD STYLE: PAN

•

PRIMARY WASHER STYLE: SPLIT HELICAL RING

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
FASTENER LENGTH	0.625 INCHES NOMINAL IN
SECONDARY WASHER RELATIONSHIP TO PRIMARY WASHER	NOT IDENTICAL
PRIMARY WASHER OUTSIDE DIAMETER	0.250 INCHES NOMINAL IN
SECONDARY WASHER STYLE	FLAT
NOMINAL THREAD DIAMETER	0.138 INCHES IN
HEAD STYLE	PAN
PRIMARY WASHER STYLE	SPLIT HELICAL RING
THREAD DIRECTION	RIGHT-HAND
PRIMARY WASHER MATERIAL THICKNESS	0.031 INCHES NOMINAL IN

OTHER ITEMS IN FSC 5305 — Screws

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

5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831

SUBSTITUTES & CROSS-REFERENCES 2

114054PP.625SSGF11Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

1983698-1 ITEM # 14Same 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 1900474-21?

1900474-21 is a SCREW,ASSEMBLED WASHER.

What parts can replace 1900474-21?

There are 2 known substitutes for 1900474-21: 114054PP.625SSGF11, 1983698-1 ITEM # 14. Substitute compatibility should be verified for your specific system.

What is the NSN for 1900474-21?

1900474-21 is cataloged in the U.S. Government catalog under NSN 5305-01-522-9506. This indicates validated use in U.S. government and defense supply chains.

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1900474-21 — SCREW,ASSEMBLED WASHER

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