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A4839 — DETECTOR,METALLIC PARTICLE

✓ Government record, cited
Nerf · NUT WASHER
PRODUCT OVERVIEW

A4839: DETECTOR,METALLIC PARTICLE.

The DETECTOR,METALLIC PARTICLE is a Nerf industrial component. Key specifications include special_features: FOR USE IN DETECTING METALLIC FOREIGN MATTER IN FUEL AND OIL SYSTEM. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-559-6441, 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
A4839
NSN: 5310-00-559-6441
NIINs: 005596441, 012058416
FSC: 5310 — Nuts and Washers
CAGE: 72914 — GRIMES AEROSPACE COMPANY (USA)
SPECIFICATIONS
special_featuresFOR USE IN DETECTING METALLIC FOREIGN MATTER IN FUEL AND OIL SYSTEM
NSN5310-00-559-6441
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A4839 · Nerf ⚠ 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: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 0.188 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: CADMIUM OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 1008 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER0.188 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTCADMIUM OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 1008 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.073 INCHES NOMINAL IN
THICKNESS0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
3GM11Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A4839?
A4839 is a DETECTOR,METALLIC PARTICLE manufactured by Nerf.
What parts can replace A4839?
There is 1 known substitute for A4839: 3GM11. Substitute compatibility should be verified for your specific system.
What is the NSN for A4839?
A4839 is cataloged in the U.S. Government catalog under NSN 5310-00-559-6441. 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.