191984 — SCREW,ASSEMBLED WASHER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

191984: SCREW,ASSEMBLED WASHER.

The SCREW,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN, thread_length: 0.216 INCHES MINIMUM AND 0.352 INCHES MAXIMUM IN, fastener_length: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-285-5287, 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

191984

NSN: 5305-00-285-5287
NIINs: 002855287, 013074254
FSC: 5305 — Screws
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

head_style	PAN
head_height	0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
thread_class	2A A
head_diameter	0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
thread_length	0.216 INCHES MINIMUM AND 0.352 INCHES MAXIMUM IN
fastener_length	0.375 INCHES NOMINAL IN
hardness_rating	40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM PRIMARY WASHER
washer_quantity	1
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM OR ZINC OVERALL
internal_drive_style	CROSS RECESS TYPE 1
primary_washer_style	FLAT EXTERNAL TEETH
NSN	5305-00-285-5287

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.375 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL

•

PRIMARY WASHER OUTSIDE DIAMETER: 0.494 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.216 INCHES MINIMUM AND 0.352 INCHES MAXIMUM IN

•

HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM PRIMARY WASHER

•

MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
FASTENER LENGTH	0.375 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
PRIMARY WASHER OUTSIDE DIAMETER	0.494 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
THREAD LENGTH	0.216 INCHES MINIMUM AND 0.352 INCHES MAXIMUM IN
HARDNESS RATING	40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM PRIMARY WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	PAN
PRIMARY WASHER STYLE	FLAT EXTERNAL TEETH

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 191984?

191984 is a SCREW,ASSEMBLED WASHER.

What is the NSN for 191984?

191984 is cataloged in the U.S. Government catalog under NSN 5305-00-285-5287. This indicates validated use in U.S. government and defense supply chains.

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191984 — SCREW,ASSEMBLED WASHER

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