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Technical Data Sheet
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0P1091 — 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 THUMBSCREW is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, head_style: KNURLED NO. 1, head_height: 0.218 INCHES NOMINAL IN, point_style: FLAT, point_length: 0.109 INCHES NOMINAL IN, thread_class: 2A A.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System under NSN 5305-00-354-3322, 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
0P1091
NSN: 5305-00-354-3322
FSC: 5305
CAGE: 80906 — BLAW-KNOX CONSTRUCTION EQUIPMENT CO DIV OF WHITE CONSOLIDATED INDUSTRIES INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
head_styleKNURLED NO. 1
head_height0.218 INCHES NOMINAL IN
point_styleFLAT
point_length0.109 INCHES NOMINAL IN
thread_class2A A
head_diameter1.000 INCHES NOMINAL IN
hole_diameter0.062 INCHES NOMINAL IN
thread_length1.281 INCHES MINIMUM IN
fastener_length1.531 INCHES NOMINAL IN
thread_directionRIGHT-HAND
point_chamfer_angle60.0 DEGREES NOMINAL
NSN5305-00-354-3322
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0P1091 · 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 HEIGHT: 0.218 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.531 INCHES NOMINAL IN
•
POINT LENGTH: 0.109 INCHES NOMINAL IN
•
HEAD STYLE: KNURLED NO. 1
•
HEAD DIAMETER: 1.000 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNS
•
THREAD LENGTH: 1.281 INCHES MINIMUM IN
•
HOLE CONFIGURATION STYLE: ROUND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.218 INCHES NOMINAL IN
FASTENER LENGTH1.531 INCHES NOMINAL IN
POINT LENGTH0.109 INCHES NOMINAL IN
HEAD STYLEKNURLED NO. 1
HEAD DIAMETER1.000 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNS
THREAD LENGTH1.281 INCHES MINIMUM IN
HOLE CONFIGURATION STYLEROUND
THREAD CLASS2A A
THREAD QUANTITY PER INCH14
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
382872InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
0433390InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
438559InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SM-C-500678InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
984-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
666092-714InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0P1091?
0P1091 is a THUMBSCREW.
What parts can replace 0P1091?
There are 12 known substitutes for 0P1091: 382872, 0433390, 438559 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0P1091?
0P1091 is cataloged in the Federal Logistics Information System under NSN 5305-00-354-3322. 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: September 2026