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12-11020-11 — NUT,SHEET SPRING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12-11020-11: NUT,SHEET SPRING.

The NUT,SHEET SPRING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: SHEET SPRING, nut_width: 0.500 INCHES MAXIMUM IN, nut_length: 1.062 INCHES MAXIMUM IN, surface_treatment: ALUMINUM OVERALL, material_thickness: 0.025 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-089-6304, 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
12-11020-11
NSN: 5310-00-089-6304
NIINs: 000896304, 010212665
FSC: 5310 — Nuts and Washers
CAGE: 94222 — SOUTHCO INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleSHEET SPRING
nut_width0.500 INCHES MAXIMUM IN
nut_length1.062 INCHES MAXIMUM IN
surface_treatmentALUMINUM OVERALL
material_thickness0.025 INCHES MAXIMUM IN
mounting_hole_diameter0.135 INCHES NOMINAL IN
nut_mounting_provisionSTRAIGHT HOLES
mounting_hole_arrangement_style2 HOLES
mating_member_diameter_accommodated0.205 INCHES NOMINAL IN
distance_from_aperture_center_to_mounting_hole_center0.375 INCHES NOMINAL IN
center_to_center_distance_between_mounting_holes_along_length0.750 INCHES NOMINAL IN
NSN5310-00-089-6304
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12-11020-11 · 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
•
NUT WIDTH: 0.500 INCHES NOMINAL IN
•
NUT LENGTH: 1.065 INCHES NOMINAL IN
•
MOUNTING HOLE ARRANGEMENT STYLE: 2 HOLES
•
MOUNTING HOLE DIAMETER: 0.135 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.025 INCHES NOMINAL IN
•
DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER: 0.375 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH: 0.750 INCHES NOMINAL IN
•
MATING MEMBER DIAMETER ACCOMMODATED: 0.086 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
NUT WIDTH0.500 INCHES NOMINAL IN
NUT LENGTH1.065 INCHES NOMINAL IN
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
MOUNTING HOLE DIAMETER0.135 INCHES NOMINAL IN
MATERIAL THICKNESS0.025 INCHES NOMINAL IN
DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER0.375 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH0.750 INCHES NOMINAL IN
MATING MEMBER DIAMETER ACCOMMODATED0.086 INCHES NOMINAL IN
SURFACE TREATMENTPHOSPHATE OVERALL
NUT STYLESHEET SPRING
SUBSTITUTES & CROSS-REFERENCES 5
13211E8382Reference document
Same NSN cross-reference
Reference document — Secondary reference
54642Reference document
Same NSN cross-reference
Reference document — Secondary reference
130105041Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1268996-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
11020-11Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12-11020-11?
12-11020-11 is a NUT,SHEET SPRING.
What parts can replace 12-11020-11?
There are 5 known substitutes for 12-11020-11: 13211E8382, 54642, 130105041 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12-11020-11?
12-11020-11 is cataloged in the U.S. Government catalog under NSN 5310-00-089-6304. 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.