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Technical Data Sheet
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000181 — Technical Data Sheet

✓ 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 BAG,MAST EQUIPMENT is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 3A LOCATION NOT OTHERWISE SPECIFIED A, thread_direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED, surface_treatment: CADMIUM OVERALL, nominal_thread_size: 0.190 INCHES LOCATION NOT OTHERWISE SPECIFIED IN, thread_quantity_per_inch: 32 LOCATION NOT OTHERWISE SPECIFIED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5307-01-190-5855, 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
000181
NSN: 5307-01-190-5855
FSC: 5307
CAGE: 22202 — RANDOLPH CO (USA)
SPECIFICATIONS
materialSTEEL
thread_class3A LOCATION NOT OTHERWISE SPECIFIED A
thread_directionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.190 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
thread_quantity_per_inch32 LOCATION NOT OTHERWISE SPECIFIED
thread_series_designatorUNF LOCATION NOT OTHERWISE SPECIFIED
part_name_assigned_by_controlling_agencyPISTON 0.500 INCH IN
NSN5307-01-190-5855
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 000181 · 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: STEEL
•
NOMINAL THREAD SIZE: 0.190 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
•
THREAD CLASS: 3A LOCATION NOT OTHERWISE SPECIFIED A
•
THREAD DIRECTION: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
•
THREAD QUANTITY PER INCH: 32 LOCATION NOT OTHERWISE SPECIFIED
•
THREAD SERIES DESIGNATOR: UNF LOCATION NOT OTHERWISE SPECIFIED
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
MATERIALSTEEL
NOMINAL THREAD SIZE0.190 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
THREAD CLASS3A LOCATION NOT OTHERWISE SPECIFIED A
THREAD DIRECTIONRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
THREAD QUANTITY PER INCH32 LOCATION NOT OTHERWISE SPECIFIED
THREAD SERIES DESIGNATORUNF LOCATION NOT OTHERWISE SPECIFIED
SURFACE TREATMENTCADMIUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
12SP84InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
203SFInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
R2H-97InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
434001InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
R64InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
314076InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 000181?
000181 is a BAG,MAST EQUIPMENT.
What parts can replace 000181?
There are 13 known substitutes for 000181: 12SP84, 203SF, R2H-97 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 000181?
000181 is cataloged in the Federal Logistics Information System under NSN 5307-01-190-5855. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026