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27D309 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

27D309: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 101 OR COPPER ALLOY 110 OVERALL, hole_diameter: 0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN, overall_height: 0.094 INCHES NOMINAL IN, outside_diameter: 0.880 INCHES NOMINAL IN, style_designator: SPRING TENSION, material_thickness: 0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-281-5382, 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
27D309
NSN: 5310-00-281-5382
FSC: 5310 — Nuts and Washers
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
materialCOPPER ALLOY 101 OR COPPER ALLOY 110 OVERALL
hole_diameter0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
overall_height0.094 INCHES NOMINAL IN
outside_diameter0.880 INCHES NOMINAL IN
style_designatorSPRING TENSION
material_thickness0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
material_document_and_classificationAMS 4500 ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5310-00-281-5382
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 27D309 · 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: AMS 4500 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
OUTSIDE DIAMETER: 0.880 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY 101 OR COPPER ALLOY 110 OVERALL
•
HOLE DIAMETER: 0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.094 INCHES NOMINAL IN
STYLE DESIGNATORSPRING TENSION
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4500 ASSN STD ALL MATERIAL RESPONSES OVERALL
OUTSIDE DIAMETER0.880 INCHES NOMINAL IN
MATERIAL THICKNESS0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 101 OR COPPER ALLOY 110 OVERALL
HOLE DIAMETER0.510 INCHES MINIMUM AND 0.520 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 1
00389Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 27D309?
27D309 is a WASHER,SPRING TENSION.
What parts can replace 27D309?
There is 1 known substitute for 27D309: 00389. Substitute compatibility should be verified for your specific system.
What is the NSN for 27D309?
27D309 is cataloged in the U.S. Government catalog under NSN 5310-00-281-5382. This indicates validated use in U.S. government and defense supply chains.
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