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11500999 — SCREW,ASSEMBLED WASHER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

11500999: SCREW,ASSEMBLED WASHER.

The SCREW,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include material: STEEL PRIMARY WASHER, head_style: HEXAGON, head_height: 4.37 MILLIMETERS MINIMUM AND 4.83 MILLIMETERS MAXIMUM MM, thread_length: 36.44 MILLIMETERS MAXIMUM MM, fastener_length: 38.70 MILLIMETERS MINIMUM AND 41.30 MILLIMETERS MAXIMUM MM, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-159-2781, 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
11500999
NSN: 5305-01-159-2781
FSC: 5305 — Screws
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL PRIMARY WASHER
head_styleHEXAGON
head_height4.37 MILLIMETERS MINIMUM AND 4.83 MILLIMETERS MAXIMUM MM
thread_length36.44 MILLIMETERS MAXIMUM MM
fastener_length38.70 MILLIMETERS MINIMUM AND 41.30 MILLIMETERS MAXIMUM MM
washer_quantity1
thread_directionRIGHT-HAND
surface_treatmentPHOSPHATE OVERALL
width_between_flats9.78 MILLIMETERS MINIMUM AND 10.00 MILLIMETERS MAXIMUM MM
internal_drive_styleW/O INTERNAL DRIVE
primary_washer_styleFLAT
nonmachine_thread_styleGIMLET POINT (TYPE A, AB OR BA)
NSN5305-01-159-2781
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 11500999 · 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
•
NONMACHINE NOMINAL THREAD DIAMETER: 6.3 MILLIMETERS MM
•
HEAD HEIGHT: 4.37 MILLIMETERS MINIMUM AND 4.83 MILLIMETERS MAXIMUM MM
•
FASTENER LENGTH: 38.70 MILLIMETERS MINIMUM AND 41.30 MILLIMETERS MAXIMUM MM
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: GM 4435-M CODE A FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
THREAD PITCH IN MILLIMETERS: 1.81
•
PRIMARY WASHER OUTSIDE DIAMETER: 16.57 MILLIMETERS MINIMUM AND 17.00 MILLIMETERS MAXIMUM MM
•
THREAD LENGTH: 36.44 MILLIMETERS MAXIMUM MM
•
NONMACHINE THREAD STYLE: GIMLET POINT (TYPE A, AB OR BA)
TECHNICAL CHARACTERISTICS
NONMACHINE NOMINAL THREAD DIAMETER6.3 MILLIMETERS MM
HEAD HEIGHT4.37 MILLIMETERS MINIMUM AND 4.83 MILLIMETERS MAXIMUM MM
FASTENER LENGTH38.70 MILLIMETERS MINIMUM AND 41.30 MILLIMETERS MAXIMUM MM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONGM 4435-M CODE A FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL
THREAD PITCH IN MILLIMETERS1.81
PRIMARY WASHER OUTSIDE DIAMETER16.57 MILLIMETERS MINIMUM AND 17.00 MILLIMETERS MAXIMUM MM
THREAD LENGTH36.44 MILLIMETERS MAXIMUM MM
NONMACHINE THREAD STYLEGIMLET POINT (TYPE A, AB OR BA)
MATERIAL DOCUMENT AND CLASSIFICATIONGM 6010-M FMSC11862 MFR REF SINGLE MATERIAL RESPONSE FASTENER
HEAD STYLEHEXAGON
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 1
11500085Reference document
Same NSN cross-reference
Reference document — Secondary 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 11500999?
11500999 is a SCREW,ASSEMBLED WASHER.
What parts can replace 11500999?
There is 1 known substitute for 11500999: 11500085. Substitute compatibility should be verified for your specific system.
What is the NSN for 11500999?
11500999 is cataloged in the U.S. Government catalog under NSN 5305-01-159-2781. This indicates validated use in U.S. government and defense supply chains.
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