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523253 — SEAL,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

523253: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 SEALING ELEMENT, seal_width: 0.500 INCHES MINIMUM IN, construction: LAMINATED, part_name_assigned_by_controlling_agency: SEAL,PLAIN. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-737-6104, 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
523253
NSN: 5307-00-737-6104
NIINs: 007376104, 016946410
FSC: 5307 — Studs
CAGE: 81381 — STEWART & STEVENSON POWER PRODUCTS LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 SEALING ELEMENT
seal_width0.500 INCHES MINIMUM IN
constructionLAMINATED
part_name_assigned_by_controlling_agencySEAL,PLAIN
NSN5307-00-737-6104
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 523253 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD DIRECTION: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
•
NOMINAL THREAD SIZE: 0.164 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
THREAD CLASS: 2A LOCATION NOT OTHERWISE SPECIFIED A
•
THREAD QUANTITY PER INCH: 32 LOCATION NOT OTHERWISE SPECIFIED
•
MATERIAL: COPPER ALLOY
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS
OVERALL LENGTH1.750 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
NOMINAL THREAD SIZE0.164 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD CLASS2A LOCATION NOT OTHERWISE SPECIFIED A
THREAD QUANTITY PER INCH32 LOCATION NOT OTHERWISE SPECIFIED
MATERIALCOPPER ALLOY
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 523253?
523253 is a SEAL,PLAIN.
What is the NSN for 523253?
523253 is cataloged in the U.S. Government catalog under NSN 5307-00-737-6104. 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.