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B681948P6 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

B681948P6: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.269 INCHES NOMINAL IN, outside_diameter: 0.363 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: DICHROMATE SODIUM OVERALL, material_thickness: 0.078 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-295-5216, 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
B681948P6
NSN: 5310-01-295-5216
FSC: 5310 — Nuts and Washers
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.269 INCHES NOMINAL IN
outside_diameter0.363 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentDICHROMATE SODIUM OVERALL
material_thickness0.078 INCHES NOMINAL IN
surface_treatment_document_and_classificationF70B2B2,CAGEC 10001 MFR REF SINGLE TREATMENT RESPONSE AND F65E1E,CAGEC 10001 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-295-5216
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B681948P6 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: F70B2B2,CAGEC 10001 MFR REF SINGLE TREATMENT RESPONSE AND F65E1E,CAGEC 10001 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
OUTSIDE DIAMETER: 0.363 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.078 INCHES NOMINAL IN
•
SURFACE TREATMENT: DICHROMATE SODIUM OVERALL
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.269 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONF70B2B2,CAGEC 10001 MFR REF SINGLE TREATMENT RESPONSE AND F65E1E,CAGEC 10001 MFR REF SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
OUTSIDE DIAMETER0.363 INCHES MAXIMUM IN
MATERIAL THICKNESS0.078 INCHES NOMINAL IN
SURFACE TREATMENTDICHROMATE SODIUM OVERALL
MATERIALSTEEL OVERALL
HOLE DIAMETER0.269 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
681948P6Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B681948P6?
B681948P6 is a WASHER,LOCK.
What parts can replace B681948P6?
There is 1 known substitute for B681948P6: 681948P6. Substitute compatibility should be verified for your specific system.
What is the NSN for B681948P6?
B681948P6 is cataloged in the U.S. Government catalog under NSN 5310-01-295-5216. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.