PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 851-77
851-77 ✓ 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 PIN,SCOOP is a the manufacturer industrial component. Key specifications include end_item_identification: PACER DAWN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-010-0051, 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
851-77
NSN: 5305-00-010-0051
FSC: 5305
CAGE: 08683 — BROCKWAY MOTOR TRUCKS DIV OF MACK TRUCKS INC (USA)
SPECIFICATIONS
end_item_identificationPACER DAWN
NSN5305-00-010-0051
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 851-77 · 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
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
THREAD LENGTH: 1.250 INCHES MINIMUM IN
•
THREAD SERIES DESIGNATOR: UNF
•
MATERIAL: STEEL OVERALL
•
HARDNESS RATING: 100.0 ROCKWELL B MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 10P STYLE
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.500 INCHES IN
THREAD LENGTH1.250 INCHES MINIMUM IN
THREAD SERIES DESIGNATORUNF
MATERIALSTEEL OVERALL
HARDNESS RATING100.0 ROCKWELL B MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 10P STYLE
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
MINIMUM TENSILE STRENGTH69000 POUNDS PER SQUARE INCH LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
100051Interchangeable
interchangeable cross-reference
interchangeable
80EA1C14F2WWH1JL14N16F1GSE0LInterchangeable
interchangeable cross-reference
interchangeable
80EA1C14F2WWH1J2L14N16FIGSEInterchangeable
interchangeable cross-reference
interchangeable
W111U6Interchangeable
interchangeable cross-reference
interchangeable
1000051Interchangeable
interchangeable cross-reference
interchangeable
W304113Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 851-77?
851-77 is a PIN,SCOOP.
What parts can replace 851-77?
There are 14 known substitutes for 851-77: 100051, 80EA1C14F2WWH1JL14N16F1GSE0L, 80EA1C14F2WWH1J2L14N16FIGSE and 11 more. Substitute compatibility should be verified for your specific system.
Is 851-77 still available?
851-77 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026