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Technical Data Sheet
PartsTable / COMPONENT / 849291
849291 ✓ 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,LOCK is a the manufacturer industrial component. Key specifications include color: BLACK OVERALL, material: COPPER ALLOY OVERALL, hole_diameter: 0.194 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN, outside_diameter: 0.323 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: OXIDE FILM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-275-5215, 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
849291
NSN: 5310-00-275-5215
FSC: 5310
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
colorBLACK OVERALL
materialCOPPER ALLOY OVERALL
hole_diameter0.194 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
outside_diameter0.323 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentOXIDE FILM OVERALL
material_thickness0.040 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
nondefinitive_spec/std_dataE CLASS AND 1 STYLE AND 10 SIZE
departure_from_cited_documentAS MODIFIED BY SURFACE TREATMENT
NSN5310-00-275-5215
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 849291 · 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
•
MATERIAL THICKNESS: 0.040 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
•
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY SURFACE TREATMENT
•
NONDEFINITIVE SPEC/STD DATA: E CLASS AND 1 STYLE AND 10 SIZE
•
SURFACE TREATMENT: OXIDE FILM OVERALL
•
HOLE DIAMETER: 0.194 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.323 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY OVERALL
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.040 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY SURFACE TREATMENT
NONDEFINITIVE SPEC/STD DATAE CLASS AND 1 STYLE AND 10 SIZE
SURFACE TREATMENTOXIDE FILM OVERALL
HOLE DIAMETER0.194 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.323 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
COLORBLACK OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
93496A415Interchangeable
interchangeable cross-reference
interchangeable
310-0080-000Interchangeable
interchangeable cross-reference
interchangeable
FF-W-84AInterchangeable
interchangeable cross-reference
interchangeable
AN935B10LInterchangeable
Same NIIN cross-reference
interchangeable
5310002755215Interchangeable
Same NIIN cross-reference
interchangeable
900873-07Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 849291?
849291 is a WASHER,LOCK.
What parts can replace 849291?
There are 6 known substitutes for 849291: 93496A415, 310-0080-000, FF-W-84A and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 849291?
849291 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-275-5215. 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: July 2026