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1881-325 — CONNECTOR,PLUG,ELECTRICAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1881-325: CONNECTOR,PLUG,ELECTRICAL.

The CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include length: 0.915 INCHES MINIMUM AND 0.920 INCHES MAXIMUM IN, diameter: 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN, material: STEEL COMP 302 OVERALL, special_features: ORION UPGRADE, style_designator: INTERNALLY THREADED FULL LENGTH, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-187-4377, 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
1881-325
NSN: 5340-01-187-4377
NIINs: 011874377, 015344399
FSC: 5340 — Hardware, Commercial
CAGE: 6Z056 — CM MANUFACTURING INC DBA CM MANUFACTURING INC (USA)
SPECIFICATIONS
length0.915 INCHES MINIMUM AND 0.920 INCHES MAXIMUM IN
diameter0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
materialSTEEL COMP 302 OVERALL
special_featuresORION UPGRADE
style_designatorINTERNALLY THREADED FULL LENGTH
surface_treatmentPASSIVATE OVERALL
cross-sectional_shapeROUND
end_item_identificationELECTRO OPTICS SYSTEM
material_document_and_classificationQQ-S-763, CLASS 302 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5340-01-187-4377
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1881-325 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
•
LENGTH: 0.915 INCHES MINIMUM AND 0.920 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: INTERNALLY THREADED FULL LENGTH
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763, CLASS 302 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE: ROUND
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL COMP 302 OVERALL
TECHNICAL CHARACTERISTICS
LENGTH0.915 INCHES MINIMUM AND 0.920 INCHES MAXIMUM IN
STYLE DESIGNATORINTERNALLY THREADED FULL LENGTH
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CLASS 302 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPEROUND
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP 302 OVERALL
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 1881-325?
1881-325 is a CONNECTOR,PLUG,ELECTRICAL.
What is the NSN for 1881-325?
1881-325 is cataloged in the U.S. Government catalog under NSN 5340-01-187-4377. 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.