PartsTable
Technical Data Sheet
Download PDF

9431663 — SCREW,ASSEMBLED WASHER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

9431663: SCREW,ASSEMBLED WASHER.

The SCREW,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 0.203 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.594 INCHES MINIMUM AND 0.615 INCHES MAXIMUM IN, thread_length: 0.578 INCHES MINIMUM AND 0.682 INCHES MAXIMUM IN, fastener_length: 0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-157-7388, 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
9431663
NSN: 5305-01-157-7388
FSC: 5305 — Screws
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
head_stylePAN
head_height0.203 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.594 INCHES MINIMUM AND 0.615 INCHES MAXIMUM IN
thread_length0.578 INCHES MINIMUM AND 0.682 INCHES MAXIMUM IN
fastener_length0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
hardness_rating44.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM PRIMARY WASHER
washer_quantity1
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
internal_drive_styleCROSS RECESS TYPE 1
primary_washer_styleSPRING TENSION
NSN5305-01-157-7388
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 9431663 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.203 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: G-4342-M,CODE 20U32,FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
PRIMARY WASHER OUTSIDE DIAMETER: 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.578 INCHES MINIMUM AND 0.682 INCHES MAXIMUM IN
•
HARDNESS RATING: 44.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM PRIMARY WASHER
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES PRIMARY WASHER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.203 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
FASTENER LENGTH0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONG-4342-M,CODE 20U32,FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL
PRIMARY WASHER OUTSIDE DIAMETER0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
THREAD LENGTH0.578 INCHES MINIMUM AND 0.682 INCHES MAXIMUM IN
HARDNESS RATING44.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM PRIMARY WASHER
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES PRIMARY WASHER
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES FASTENER
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLEPAN
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
Ready to buy 9431663?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 9431663?
9431663 is a SCREW,ASSEMBLED WASHER.
What is the NSN for 9431663?
9431663 is cataloged in the U.S. Government catalog under NSN 5305-01-157-7388. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 9431663

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.