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Technical Data Sheet
PB19091 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, thickness: 0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN, hole_diameter: 0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN, overall_diameter: 0.208 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-190-2907, 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
PB19091
NSN: 5310-00-190-2907
FSC: 5310
CAGE: 99251 — MISSION SYSTEMS DAVENPORT INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thickness0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
hole_diameter0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
overall_diameter0.208 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationASTM B36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-190-2907
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: PB19091 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
HOLE DIAMETER: 0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: COPPER ALLOY OVERALL
THICKNESS: 0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
OVERALL DIAMETER: 0.208 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLE: ROUND
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
THICKNESS0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
OVERALL DIAMETER0.208 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
U7250Interchangeable
interchangeable cross-reference
interchangeable
5252Interchangeable
interchangeable cross-reference
interchangeable
U3100Interchangeable
interchangeable cross-reference
interchangeable
112T389Interchangeable
interchangeable cross-reference
interchangeable
236-1017P3Interchangeable
interchangeable cross-reference
interchangeable
240-0869-520Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PB19091?
PB19091 is a WASHER,FLAT.
What parts can replace PB19091?
There are 21 known substitutes for PB19091: U7250, 5252, U3100 and 18 more. Substitute compatibility should be verified for your specific system.
Is PB19091 still available?
PB19091 is currently cancelled.
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