PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 181668
181668 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-071-1788, 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
181668
NSN: 5305-00-071-1788
FSC: 5305
CAGE: 80195 — ED ETNYRE & CO (USA)
SPECIFICATIONS
special_featuresBRAND NAME DESCRIPTION AQ1 - 12 GAUGE;ADDITIONAL ITEM INFORMATION AQ1 24-3/4 X 36 X .012,R,W;REQUIRED MINIMUM ORDER QUANTITY 1;REQUIRED MULTIPLE ORDER QUANTITY 1
NSN5305-00-071-1788
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 181668 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J429 GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A354 GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
NOMINAL THREAD DIAMETER: 0.438 INCHES IN
•
MINIMUM YIELD STRENGTH: 120000 POUNDS PER SQUARE INCH LBS
•
MINIMUM TENSILE STRENGTH: 150000 POUNDS PER SQUARE INCH LBS
•
THREAD QUANTITY PER INCH: 14
•
THREAD LENGTH: 1.250 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429 GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A354 GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.438 INCHES IN
END ITEM IDENTIFICATIONMRAP RG-33 AUV; MRAP BUFFALO MK2A2; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
MINIMUM YIELD STRENGTH120000 POUNDS PER SQUARE INCH LBS
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH LBS
THREAD QUANTITY PER INCH14
THREAD LENGTH1.250 INCHES MAXIMUM IN
FASTENER LENGTH1.250 INCHES NOMINAL IN
HEAD HEIGHT0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
PC180147Interchangeable
interchangeable cross-reference
interchangeable
K-500-CH-0208Interchangeable
interchangeable cross-reference
interchangeable
180147Interchangeable
interchangeable cross-reference
interchangeable
251539Interchangeable
interchangeable cross-reference
interchangeable
L6497-52Interchangeable
interchangeable cross-reference
interchangeable
W100711-4HTCAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 181668?
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 181668?
181668 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 181668?
There are 22 known substitutes for 181668: PC180147, K-500-CH-0208, 180147 and 19 more. Substitute compatibility should be verified for your specific system.
Is 181668 still available?
181668 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 181668

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026