PartsTable
Technical Data Sheet
PartsTable / MRO / 190770
190770 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 CARRIER,GEAR SPUR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.312 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.250 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES THREADS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-019-0770, 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
MRO→ MRO_GENERAL→ 190770
NSN: 5305-00-019-0770
FSC: 5305
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.312 INCHES NOMINAL IN
thread_class2A A
thread_length1.250 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES THREADS
fastener_length3.250 INCHES NOMINAL IN
hardness_rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentZINC AND CHROMATE OVERALL
width_between_flats0.750 INCHES NOMINAL IN
minimum_yield_strength120000 POUNDS PER SQUARE INCH LBS
NSN5305-00-019-0770
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 190770 · 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 STYLE: HEXAGON
•
THREAD QUANTITY PER INCH: 13
•
MINIMUM YIELD STRENGTH: 120000 POUNDS PER SQUARE INCH LBS
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL: STEEL OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 10P STYLE AND 8 GRADE
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEHEXAGON
THREAD QUANTITY PER INCH13
MINIMUM YIELD STRENGTH120000 POUNDS PER SQUARE INCH LBS
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIALSTEEL OVERALL
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 10P STYLE AND 8 GRADE
THREAD CLASS2A A
THREAD LENGTH1.250 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
2AX349Interchangeable
interchangeable cross-reference
interchangeable
90770Interchangeable
interchangeable cross-reference
interchangeable
190770Interchangeable
interchangeable cross-reference
interchangeable
FFS85TYPE2STYLE10PGRADE8Interchangeable
Same NIIN cross-reference
interchangeable
PC190770Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 190770?
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 190770?
190770 is a CARRIER,GEAR SPUR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 190770?
There are 5 known substitutes for 190770: 2AX349, 90770, 190770 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 190770?
190770 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-019-0770. This indicates validated use in U.S. government and defense supply chains.
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 — 190770

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