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Technical Data Sheet
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00558 — 00558

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

00558: 00558.

The 00558 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-00-702-1298, 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
MRO→ MRO_GENERAL→ 00558
NSN: 5310-00-702-1298
NIINs: 007021298, 014885093
FSC: 5310 — Nuts and Washers
CAGE: 14153 — DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA (USA)
SPECIFICATIONS
Part Number00558
NSN5310-00-702-1298
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 00558 · 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
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STYLE DESIGNATOR: RECESSED
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MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6050 COND F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
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OUTSIDE DIAMETER: 1.420 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN
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MATERIAL THICKNESS: 0.183 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN
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RECESS DIAMETER: 1.020 INCHES MINIMUM AND 1.040 INCHES MAXIMUM IN
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MATERIAL: STEEL COMP 8630 OVERALL
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HOLE DIAMETER: 0.890 INCHES MINIMUM AND 0.901 INCHES MAXIMUM IN
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RECESS ANGLE: 88.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6050 COND F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.420 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN
MATERIAL THICKNESS0.183 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN
RECESS DIAMETER1.020 INCHES MINIMUM AND 1.040 INCHES MAXIMUM IN
MATERIALSTEEL COMP 8630 OVERALL
HOLE DIAMETER0.890 INCHES MINIMUM AND 0.901 INCHES MAXIMUM IN
RECESS ANGLE88.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM
SUBSTITUTES & CROSS-REFERENCES 1
5310PL1336998Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 00558?
00558 is a 00558. It is classified as a MRO (MRO_GENERAL).
What parts can replace 00558?
There is 1 known substitute for 00558: 5310PL1336998. Substitute compatibility should be verified for your specific system.
What is the NSN for 00558?
00558 is cataloged in the U.S. Government catalog under NSN 5310-00-702-1298. This indicates validated use in U.S. government and defense supply chains.
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