PartsTable
Technical Data Sheet

NL1/2SS — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

NL1/2SS: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, hole_diameter: 13.5 MILLIMETERS NOMINAL MM, overall_height: 2.00 MILLIMETERS NOMINAL MM, outside_diameter: 19.5 MILLIMETERS NOMINAL MM, style_designator: TWO PIECE INTERLOCKING, material_thickness: 2.2 MILLIMETERS MINIMUM AND 2.5 MILLIMETERS MAXIMUM MM. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-582-8738, 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
NL1/2SS
NSN: 5310-01-582-8738
NIINs: 015828738, 016577515
FSC: 5310 — Nuts and Washers
CAGE: 1PUD1 — NORD LOCK INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_diameter13.5 MILLIMETERS NOMINAL MM
overall_height2.00 MILLIMETERS NOMINAL MM
outside_diameter19.5 MILLIMETERS NOMINAL MM
style_designatorTWO PIECE INTERLOCKING
material_thickness2.2 MILLIMETERS MINIMUM AND 2.5 MILLIMETERS MAXIMUM MM
end_item_identificationMK7MOD, RADAR ASSEMBLY, MODULE
part_name_assigned_by_controlling_agencyLOCK WASHER
NSN5310-01-582-8738
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NL1/2SS · 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
•
STYLE DESIGNATOR: SERRATED
•
OUTSIDE DIAMETER: 19.5 MILLIMETERS NOMINAL MM
•
MATERIAL THICKNESS: 2.2 MILLIMETERS MINIMUM AND 2.5 MILLIMETERS MAXIMUM MM
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
HOLE DIAMETER: 13.5 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSERRATED
OUTSIDE DIAMETER19.5 MILLIMETERS NOMINAL MM
MATERIAL THICKNESS2.2 MILLIMETERS MINIMUM AND 2.5 MILLIMETERS MAXIMUM MM
END ITEM IDENTIFICATIONMK7MOD, RADAR ASSEMBLY, MODULE
MATERIALSTEEL CORROSION RESISTING OVERALL
HOLE DIAMETER13.5 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 1
7662299-004Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 NL1/2SS?
NL1/2SS is a WASHER,LOCK.
What parts can replace NL1/2SS?
There is 1 known substitute for NL1/2SS: 7662299-004. Substitute compatibility should be verified for your specific system.
What is the NSN for NL1/2SS?
NL1/2SS is cataloged in the U.S. Government catalog under NSN 5310-01-582-8738. 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.