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809239-01 — PUSH ON NUT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

809239-01: PUSH ON NUT.

The PUSH ON NUT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1065 OR STEEL COMP 1074 OR STEEL COMP 1085 OR STEEL COMP 1095 OVERALL, nut_diameter: 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN, special_features: HARDNESS ROCKWELL 30-N 58.0 MIN AND 68.0 MAX; OVERALL HEIGHT 0.205 IN. IN, surface_treatment: ZINC AND CHROMATE OVERALL, material_thickness: 0.018 INCHES NOMINAL IN, mating_member_diameter_accommodated: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5310-01-198-8564, 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
809239-01
NSN: 5310-01-198-8564
FSC: 5310 — Nuts and Washers
CAGE: 18894 — AIR ARMAMENT CENTER/ EN (USA)
SPECIFICATIONS
materialSTEEL COMP 1065 OR STEEL COMP 1074 OR STEEL COMP 1085 OR STEEL COMP 1095 OVERALL
nut_diameter0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN
special_featuresHARDNESS ROCKWELL 30-N 58.0 MIN AND 68.0 MAX; OVERALL HEIGHT 0.205 IN. IN
surface_treatmentZINC AND CHROMATE OVERALL
material_thickness0.018 INCHES NOMINAL IN
mating_member_diameter_accommodated0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
material_document_and_classificationMIL-S-46049 MIL SPEC ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationASTM B633,TY 2,CL 3 ASSN STD SINGLE TREATMENT RESPONSE OR MIL-C-81562,TY 2,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-198-8564
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 809239-01 · 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: ASTM B633,TY 2,CL 3 ASSN STD SINGLE TREATMENT RESPONSE OR MIL-C-81562,TY 2,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-46049 MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
MATERIAL THICKNESS: 0.018 INCHES NOMINAL IN
•
NUT DIAMETER: 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN
•
MATING MEMBER DIAMETER ACCOMMODATED: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
•
SURFACE TREATMENT: ZINC AND CHROMATE OVERALL
•
MATERIAL: STEEL COMP 1065 OR STEEL COMP 1074 OR STEEL COMP 1085 OR STEEL COMP 1095 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633,TY 2,CL 3 ASSN STD SINGLE TREATMENT RESPONSE OR MIL-C-81562,TY 2,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-46049 MIL SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL THICKNESS0.018 INCHES NOMINAL IN
NUT DIAMETER0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN
MATING MEMBER DIAMETER ACCOMMODATED0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
SPECIAL FEATURESHARDNESS ROCKWELL 30-N 58.0 MIN AND 68.0 MAX; OVERALL HEIGHT 0.205 IN. IN
SURFACE TREATMENTZINC AND CHROMATE OVERALL
MATERIALSTEEL COMP 1065 OR STEEL COMP 1074 OR STEEL COMP 1085 OR STEEL COMP 1095 OVERALL
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 3
PW250009ECGReference document
Same NSN cross-reference
Reference document — Secondary reference
1634AS204Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
PW250009SCReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 809239-01?
809239-01 is a PUSH ON NUT.
What parts can replace 809239-01?
There are 3 known substitutes for 809239-01: PW250009ECG, 1634AS204, PW250009SC. Substitute compatibility should be verified for your specific system.
What is the NSN for 809239-01?
809239-01 is cataloged in the U.S. Government catalog under NSN 5310-01-198-8564. 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.