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11663070 — SCREW,ASSEMBLED WASHER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

11663070: SCREW,ASSEMBLED WASHER.

The SCREW,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OR STEEL COMP 1020 OVERALL, head_height: 0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN, fastener_length: 1.187 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND, width_across_flats: 0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN, width_between_flats: 0.611 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-104-9018, 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
11663070
NSN: 5305-01-104-9018
FSC: 5305 — Screws
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1020 OVERALL
head_height0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
fastener_length1.187 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
washer_quantity1
thread_directionRIGHT-HAND
width_across_flats0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
width_between_flats0.611 INCHES NOMINAL IN
primary_washer_styleSPLIT HELICAL RING
primary_washer_outside_diameter0.651 INCHES NOMINAL IN
primary_washer_material_thickness0.094 INCHES NOMINAL IN
NSN5305-01-104-9018
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 11663070 · 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
•
WIDTH ACROSS FLATS: 0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.187 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
•
PRIMARY WASHER OUTSIDE DIAMETER: 0.651 INCHES NOMINAL IN
•
PRIMARY WASHER STYLE: SPLIT HELICAL RING
•
THREAD DIRECTION: RIGHT-HAND
•
PRIMARY WASHER MATERIAL THICKNESS: 0.094 INCHES NOMINAL IN
•
WIDTH BETWEEN FLATS: 0.611 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
HEAD HEIGHT0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
FASTENER LENGTH1.187 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
PRIMARY WASHER OUTSIDE DIAMETER0.651 INCHES NOMINAL IN
PRIMARY WASHER STYLESPLIT HELICAL RING
THREAD DIRECTIONRIGHT-HAND
PRIMARY WASHER MATERIAL THICKNESS0.094 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.611 INCHES NOMINAL IN
MATERIALSTEEL COMP 1010 OR STEEL COMP 1020 OVERALL
WASHER QUANTITY1
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
5305011049018Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11663070?
11663070 is a SCREW,ASSEMBLED WASHER.
What parts can replace 11663070?
There is 1 known substitute for 11663070: 5305011049018. Substitute compatibility should be verified for your specific system.
What is the NSN for 11663070?
11663070 is cataloged in the U.S. Government catalog under NSN 5305-01-104-9018. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.