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1873906C1 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1873906C1: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, seal_width: 17.6 MILLIMETERS NOMINAL MM, construction: ONE-PIECE, special_features: OVERALL HEIGHT: 6.75MM OVAL SHAPED WITH INSIDE DIAMETER OF 17.65MM X 54.7MM MM, end_item_identification: MRAP - UNIQUE NSN - USED ON 2 MRAP VARIANTS; MRAP - MAXXPRO DASH ISS W/OGPK AND W/CROWS, part_name_assigned_by_controlling_agency: GASKET, IRREGULAR MOLDED. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-566-5744, 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
1873906C1
NSN: 5330-01-566-5744
FSC: 5330 — Packing and Gasket Materials
CAGE: 338X5 — ND DEFENSE LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
seal_width17.6 MILLIMETERS NOMINAL MM
constructionONE-PIECE
special_featuresOVERALL HEIGHT: 6.75MM OVAL SHAPED WITH INSIDE DIAMETER OF 17.65MM X 54.7MM MM
end_item_identificationMRAP - UNIQUE NSN - USED ON 2 MRAP VARIANTS; MRAP - MAXXPRO DASH ISS W/OGPK AND W/CROWS
part_name_assigned_by_controlling_agencyGASKET, IRREGULAR MOLDED
NSN5330-01-566-5744
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1873906C1 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SEAL WIDTH: 17.6 MILLIMETERS NOMINAL MM
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
CONSTRUCTION: ONE-PIECE
TECHNICAL CHARACTERISTICS
SEAL WIDTH17.6 MILLIMETERS NOMINAL MM
SPECIAL FEATURESOVERALL HEIGHT: 6.75MM OVAL SHAPED WITH INSIDE DIAMETER OF 17.65MM X 54.7MM MM
PART NAME ASSIGNED BY CONTROLLING AGENCYGASKET, IRREGULAR MOLDED
END ITEM IDENTIFICATIONMRAP - UNIQUE NSN - USED ON 2 MRAP VARIANTS; MRAP - MAXXPRO DASH ISS W/OGPK AND W/CROWS
MATERIALRUBBER SYNTHETIC OVERALL
CONSTRUCTIONONE-PIECE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1873906C1?
1873906C1 is a SEAL,PLAIN.
What is the NSN for 1873906C1?
1873906C1 is cataloged in the U.S. Government catalog under NSN 5330-01-566-5744. 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.