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11152175 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

11152175: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, hole_diameter: 0.320 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, outside_diameter: 2.300 INCHES MINIMUM AND 2.320 INCHES MAXIMUM IN, special_features: BLACK, style_designator: KEY, surface_treatment: ANODIZE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-252-5632, 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
11152175
NSN: 5310-00-252-5632
FSC: 5310 — Nuts and Washers
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
hole_diameter0.320 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
outside_diameter2.300 INCHES MINIMUM AND 2.320 INCHES MAXIMUM IN
special_featuresBLACK
style_designatorKEY
surface_treatmentANODIZE OVERALL
material_thickness0.032 INCHES NOMINAL IN
width_between_flats0.260 INCHES MINIMUM AND 0.264 INCHES MAXIMUM IN
external_key_quantity25
external_straight_key_width0.188 INCHES NOMINAL IN
overall_distance_including_keys2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM IN
material_document_and_classificationQQ-A-250/12,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-252-5632
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 11152175 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TYPE 11,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DISTANCE INCLUDING KEYS: 2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/12,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 2.300 INCHES MINIMUM AND 2.320 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.032 INCHES NOMINAL IN
•
WIDTH BETWEEN FLATS: 0.260 INCHES MINIMUM AND 0.264 INCHES MAXIMUM IN
•
EXTERNAL STRAIGHT KEY WIDTH: 0.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 11,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DISTANCE INCLUDING KEYS2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM IN
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/12,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER2.300 INCHES MINIMUM AND 2.320 INCHES MAXIMUM IN
MATERIAL THICKNESS0.032 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.260 INCHES MINIMUM AND 0.264 INCHES MAXIMUM IN
EXTERNAL STRAIGHT KEY WIDTH0.188 INCHES NOMINAL IN
EXTERNAL KEY QUANTITY25
SPECIAL FEATURESBLACK
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 11152175?
11152175 is a WASHER,KEY.
What is the NSN for 11152175?
11152175 is cataloged in the U.S. Government catalog under NSN 5310-00-252-5632. 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.