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128H10134-11 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

128H10134-11: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 OVERALL, hole_diameter: 1.745 INCHES NOMINAL IN, heat_treatment: COLD DRAWN 1/2 HARD CONDITION, outside_diameter: 3.410 INCHES NOMINAL IN, style_designator: INTERNAL PREBENT KEY, material_thickness: 0.094 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-970-9905, 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
128H10134-11
NSN: 5310-00-970-9905
FSC: 5310 — Nuts and Washers
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 301 OVERALL
hole_diameter1.745 INCHES NOMINAL IN
heat_treatmentCOLD DRAWN 1/2 HARD CONDITION
outside_diameter3.410 INCHES NOMINAL IN
style_designatorINTERNAL PREBENT KEY
material_thickness0.094 INCHES NOMINAL IN
wire_hole_diameter0.071 INCHES NOMINAL IN
internal_prebent_key_width0.210 INCHES NOMINAL IN
material_document_and_classificationMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-970-9905
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 128H10134-11 · 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
•
WIRE HOLE DIAMETER: 0.071 INCHES NOMINAL IN
•
INTERNAL PREBENT KEY WIDTH: 0.210 INCHES NOMINAL IN
•
HEAT TREATMENT: COLD DRAWN 1/2 HARD CONDITION
•
STYLE DESIGNATOR: INTERNAL PREBENT KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 3.410 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.094 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 301 OVERALL
TECHNICAL CHARACTERISTICS
WIRE HOLE DIAMETER0.071 INCHES NOMINAL IN
INTERNAL PREBENT KEY WIDTH0.210 INCHES NOMINAL IN
HEAT TREATMENTCOLD DRAWN 1/2 HARD CONDITION
STYLE DESIGNATORINTERNAL PREBENT KEY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER3.410 INCHES NOMINAL IN
MATERIAL THICKNESS0.094 INCHES NOMINAL IN
MATERIALSTEEL COMP 301 OVERALL
HOLE DIAMETER1.745 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.
5310-00-000-0040 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 128H10134-11?
128H10134-11 is a WASHER,KEY.
What is the NSN for 128H10134-11?
128H10134-11 is cataloged in the U.S. Government catalog under NSN 5310-00-970-9905. 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.