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SG3726PC18 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

SG3726PC18: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, recess_depth: 0.281 INCHES NOMINAL IN, hole_diameter: 1.266 INCHES NOMINAL IN, overall_height: 0.312 INCHES NOMINAL IN, outside_diameter: 1.812 INCHES NOMINAL IN, style_designator: RECESSED. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-685-7074, 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
SG3726PC18
NSN: 5310-00-685-7074
FSC: 5310 — Nuts and Washers
CAGE: 59180 — CIRCOR PUMPS NORTH AMERICA LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
recess_depth0.281 INCHES NOMINAL IN
hole_diameter1.266 INCHES NOMINAL IN
overall_height0.312 INCHES NOMINAL IN
outside_diameter1.812 INCHES NOMINAL IN
style_designatorRECESSED
material_thickness0.146 INCHES NOMINAL IN
material_document_and_classificationMIL-S-16782 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5310-00-685-7074
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SG3726PC18 · 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: RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-16782 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.812 INCHES NOMINAL IN
•
RECESS DEPTH: 0.281 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.146 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.312 INCHES NOMINAL IN
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-16782 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.812 INCHES NOMINAL IN
RECESS DEPTH0.281 INCHES NOMINAL IN
MATERIAL THICKNESS0.146 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
MATERIALSTEEL OVERALL
HOLE DIAMETER1.266 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 7
SG3729PC23Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SG3729REVBPC23Reference document
Same NSN cross-reference
Reference document — Secondary reference
USASB27-47-8INSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SG3725REVBLINE18Reference document
Same NSN cross-reference
Reference document — Secondary reference
SG3727REVBPC23Reference document
Same NSN cross-reference
Reference document — Secondary reference
S838CCSame 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 SG3726PC18?
SG3726PC18 is a WASHER,RECESSED.
What parts can replace SG3726PC18?
There are 7 known substitutes for SG3726PC18: SG3729PC23, SG3729REVBPC23, USASB27-47-8IN and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SG3726PC18?
SG3726PC18 is cataloged in the U.S. Government catalog under NSN 5310-00-685-7074. 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.