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945A978P1 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

945A978P1: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL, hole_diameter: 0.382 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN, outside_diameter: 0.688 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: CADMIUM OR ZINC OVERALL, material_thickness: 0.094 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-012-0382, 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
945A978P1
NSN: 5310-00-012-0382
FSC: 5310 — Nuts and Washers
CAGE: 24446 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL
hole_diameter0.382 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
outside_diameter0.688 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentCADMIUM OR ZINC OVERALL
material_thickness0.094 INCHES NOMINAL IN
nondefinitive_spec/std_dataA CLASS AND 2 STYLE
material_document_and_classificationASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5310-00-012-0382
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 945A978P1 · 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: SPLIT HELICAL-RIGHT HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
OUTSIDE DIAMETER: 0.688 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.094 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: A CLASS AND 2 STYLE
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
MATERIAL: STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL
•
HOLE DIAMETER: 0.382 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL
OUTSIDE DIAMETER0.688 INCHES MAXIMUM IN
MATERIAL THICKNESS0.094 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATAA CLASS AND 2 STYLE
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
MATERIALSTEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL
HOLE DIAMETER0.382 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 6
120382Reference document
Same NSN cross-reference
Reference document — Secondary reference
25704-281340-09-0Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
86-15Reference document
Same NSN cross-reference
Reference document — Secondary reference
850-50Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
353Reference document
Same NSN cross-reference
Reference document — Secondary reference
FFW84CLASSASTYLE2Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 945A978P1?
945A978P1 is a WASHER,LOCK.
What parts can replace 945A978P1?
There are 6 known substitutes for 945A978P1: 120382, 25704-281340-09-0, 86-15 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 945A978P1?
945A978P1 is cataloged in the U.S. Government catalog under NSN 5310-00-012-0382. 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.