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N100043S — WASHER,SEAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

N100043S: WASHER,SEAL.

The WASHER,SEAL is a the manufacturer industrial component. Key specifications include material: RUBBER NEOPRENE SEALING ELEMENT, hole_diameter: 0.434 INCHES NOMINAL0.434 INCHES NOMINAL IN, overall_height: 0.130 INCHES NOMINAL0.130 INCHES NOMINAL IN, outside_diameter: 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN, special_features: MANUFACTURED FROM NEOPRENE RUBBER IAW ASTM D2000MANUFACTURED FROM NEOPRENE RUBBER IAW ASTM D2000, style_designator: CONCAVE. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-425-7811, 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
N100043S
NSN: 5310-01-425-7811
FSC: 5310 — Nuts and Washers
CAGE: 57729 — AZTEC MANUFACTURING, INC (USA)
SPECIFICATIONS
materialRUBBER NEOPRENE SEALING ELEMENT
hole_diameter0.434 INCHES NOMINAL0.434 INCHES NOMINAL IN
overall_height0.130 INCHES NOMINAL0.130 INCHES NOMINAL IN
outside_diameter1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
special_featuresMANUFACTURED FROM NEOPRENE RUBBER IAW ASTM D2000MANUFACTURED FROM NEOPRENE RUBBER IAW ASTM D2000
style_designatorCONCAVE
material_document_and_classificationASTM-D-2000 ASSN STD SINGLE MATERIAL RESPONSE SEALING ELEMENT
NSN5310-01-425-7811
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: N100043S · 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: CONCAVE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-D-2000 ASSN STD SINGLE MATERIAL RESPONSE SEALING ELEMENT
•
OUTSIDE DIAMETER: 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 304 BODY
•
HOLE DIAMETER: 0.434 INCHES NOMINAL0.434 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.130 INCHES NOMINAL0.130 INCHES NOMINAL IN
STYLE DESIGNATORCONCAVE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-D-2000 ASSN STD SINGLE MATERIAL RESPONSE SEALING ELEMENT
OUTSIDE DIAMETER1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
SPECIAL FEATURESMANUFACTURED FROM NEOPRENE RUBBER IAW ASTM D2000MANUFACTURED FROM NEOPRENE RUBBER IAW ASTM D2000
MATERIALSTEEL COMP 304 BODY
MATERIALRUBBER NEOPRENE SEALING ELEMENT
HOLE DIAMETER0.434 INCHES NOMINAL0.434 INCHES NOMINAL IN
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 1
PL706861-296Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is N100043S?
N100043S is a WASHER,SEAL.
What parts can replace N100043S?
There is 1 known substitute for N100043S: PL706861-296. Substitute compatibility should be verified for your specific system.
What is the NSN for N100043S?
N100043S is cataloged in the U.S. Government catalog under NSN 5310-01-425-7811. 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.