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70X305X30 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

70X305X30: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 6150 OVERALL, hole_diameter: 1.201 INCHES NOMINAL IN, overall_height: 0.2003 INCHES MINIMUM AND 0.2013 INCHES MAXIMUM IN, outside_diameter: 2.760 INCHES NOMINAL IN, style_designator: SPRING TENSION, material_thickness: 0.1176 INCHES MINIMUM AND 0.1186 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-003-5473, 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
70X305X30
NSN: 5310-00-003-5473
FSC: 5310 — Nuts and Washers
CAGE: 07271 — NEISE KARL A INC
SPECIFICATIONS
materialSTEEL COMP 6150 OVERALL
hole_diameter1.201 INCHES NOMINAL IN
overall_height0.2003 INCHES MINIMUM AND 0.2013 INCHES MAXIMUM IN
outside_diameter2.760 INCHES NOMINAL IN
style_designatorSPRING TENSION
material_thickness0.1176 INCHES MINIMUM AND 0.1186 INCHES MAXIMUM IN
material_document_and_classificationMIL-S-18731 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-003-5473
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 70X305X30 · 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
•
STYLE DESIGNATOR: SPRING TENSION
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-18731 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 2.760 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.1176 INCHES MINIMUM AND 0.1186 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 6150 OVERALL
•
HOLE DIAMETER: 1.201 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.2003 INCHES MINIMUM AND 0.2013 INCHES MAXIMUM IN
STYLE DESIGNATORSPRING TENSION
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18731 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER2.760 INCHES NOMINAL IN
MATERIAL THICKNESS0.1176 INCHES MINIMUM AND 0.1186 INCHES MAXIMUM IN
MATERIALSTEEL COMP 6150 OVERALL
HOLE DIAMETER1.201 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.
5310-00-001-5340 5310-00-004-4584 5310-00-004-5157 5310-00-004-7045 5310-00-004-7046 5310-00-005-4375 5310-00-006-8067 5310-00-007-2907
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 70X305X30?
70X305X30 is a WASHER,SPRING TENSION.
What is the NSN for 70X305X30?
70X305X30 is cataloged in the U.S. Government catalog under NSN 5310-00-003-5473. 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.