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508570 — NUT,PLAIN,CLINCH

✓ Government record, cited
EMSA · NUT WASHER
PRODUCT OVERVIEW

508570: NUT,PLAIN,CLINCH.

EMSA CLIP & CLOSE – food storage containers Fresh food really does stay fresh for a long time in the CLIP & CLOSE food storage containers! Thanks to the unique freshness seal in the lid, not ony are these containers up to 100% leakproof, but they are also 100% hygienic as they don't allow germs to accumulate in the gaps. Because the CLIP & CLOSE containers are BPA-free, they’re completely safe for baby food.

Perfect for the fridge, freezer, microwave and for healthy food on the go. This part is cataloged in the U.S. Government catalog under NSN 5310-00-159-9086, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
508570
NSN: 5310-00-159-9086
FSC: 5310 — Nuts and Washers
CAGE: 31550 — L3HARRIS TECHNOLOGIES, INC. DBA HARRIS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
nut_styleCLINCH
nut_height0.133 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
pilot_diameter0.197 INCHES MINIMUM AND 0.201 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
width_across_flats0.250 INCHES NOMINAL IN
nominal_thread_size0.112 INCHES IN
thread_quantity_per_inch40
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-159-9086
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 508570 · EMSA ⚠ 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
•
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.112 INCHES IN
•
PILOT DIAMETER: 0.197 INCHES MINIMUM AND 0.201 INCHES MAXIMUM IN
•
NUT HEIGHT: 0.133 INCHES NOMINAL IN
•
NUT STYLE: CLINCH
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.112 INCHES IN
PILOT DIAMETER0.197 INCHES MINIMUM AND 0.201 INCHES MAXIMUM IN
NUT HEIGHT0.133 INCHES NOMINAL IN
NUT STYLECLINCH
THREAD CLASS2B
THREAD QUANTITY PER INCH40
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
NCN4-2-0-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
NCN4-2-040-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
508570-1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 508570?
508570 is a NUT,PLAIN,CLINCH manufactured by EMSA.
What parts can replace 508570?
There are 3 known substitutes for 508570: NCN4-2-0-3, NCN4-2-040-3, 508570-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 508570?
508570 is cataloged in the U.S. Government catalog under NSN 5310-00-159-9086. This indicates validated use in U.S. government and defense supply chains.
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