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PWA0106 — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

PWA0106: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, hole_diameter: 0.114 INCHES MAXIMUM IN, shoulder_height: 0.009 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN, outside_diameter: 0.250 INCHES NOMINAL IN, style_designator: SHOULDERED, shoulder_diameter: 0.186 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-829-8916, 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
PWA0106
NSN: 5310-00-829-8916
FSC: 5310 — Nuts and Washers
CAGE: 77221 — PHAOSTRON INSTRUMENT AND ELECTRONIC COMPANY (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter0.114 INCHES MAXIMUM IN
shoulder_height0.009 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
outside_diameter0.250 INCHES NOMINAL IN
style_designatorSHOULDERED
shoulder_diameter0.186 INCHES MAXIMUM IN
material_thickness0.020 INCHES NOMINAL IN
material_document_and_classificationQQ-B-626A FED SPEC SINGLE MATERIAL RESPONSE OVERALL A
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5310-00-829-8916
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: PWA0106 · 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
•
SHOULDER HEIGHT: 0.009 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626A FED SPEC SINGLE MATERIAL RESPONSE OVERALL A
•
OUTSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.020 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 0.186 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
SHOULDER HEIGHT0.009 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626A FED SPEC SINGLE MATERIAL RESPONSE OVERALL A
OUTSIDE DIAMETER0.250 INCHES NOMINAL IN
MATERIAL THICKNESS0.020 INCHES NOMINAL IN
SHOULDER DIAMETER0.186 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
MATERIALCOPPER ALLOY OVERALL
HOLE DIAMETER0.114 INCHES MAXIMUM 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

No substitute or cross-reference records for this part.

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 PWA0106?
PWA0106 is a WASHER,SHOULDERED.
What is the NSN for PWA0106?
PWA0106 is cataloged in the U.S. Government catalog under NSN 5310-00-829-8916. 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.