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18268 — CONNECTOR,RECEPTACLE,ELECTRICAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

18268: CONNECTOR,RECEPTACLE,ELECTRICAL.

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include length: 6.250 INCHES IN, material: COPPER ALLOY BODY, lead_size: EXTRA THICK, body_style: STRAIGHT SHAPE, EXTERNAL COUPLING, bore_shape: STRAIGHT, head_style: FLAT COUNTERSUNK. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-037-7670, 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
18268
NSN: 5330-00-037-7670
NIINs: 000377670, 001563502, 001571039, 002644612, 002802967, 009542728, 010127652, 012759019
FSC: 5330 — Packing and Gasket Materials
CAGE: 81982 — HYDRO-AIRE AEROSPACE CORP (USA)
SPECIFICATIONS
length6.250 INCHES IN
materialCOPPER ALLOY BODY
lead_sizeEXTRA THICK
body_styleSTRAIGHT SHAPE, EXTERNAL COUPLING
bore_shapeSTRAIGHT
head_styleFLAT COUNTERSUNK
lead_colorYELLOW
shell_typeSOLID
bonnet_typePACKING RETAINING
flange_shapeROUND WITH HOLES ALL ENDS
thread_class2A A
bore_diameter17.00 MILLIMETERS NOMINAL MM
NSN5330-00-037-7670
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 18268 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
•
ATTACHMENT HOLE DIAMETER: 0.188 INCHES NOMINAL IN
•
ATTACHMENT FEATURE QUANTITY: 6
•
CROSS-SECTIONAL HEIGHT: 0.140 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
ATTACHMENT FEATURE CIRCLE DIAMETER: 1.312 INCHES NOMINAL SINGLE CIRCLE IN
•
PERIPHERAL DIAMETER: 1.675 INCHES MINIMUM AND 1.682 INCHES MAXIMUM IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
CENTER HOLE DIAMETER: 0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
ATTACHMENT HOLE DIAMETER0.188 INCHES NOMINAL IN
ATTACHMENT FEATURE QUANTITY6
CROSS-SECTIONAL HEIGHT0.140 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESPECIAL
ATTACHMENT FEATURE CIRCLE DIAMETER1.312 INCHES NOMINAL SINGLE CIRCLE IN
PERIPHERAL DIAMETER1.675 INCHES MINIMUM AND 1.682 INCHES MAXIMUM IN
SURFACE TREATMENTANODIZE OVERALL
CENTER HOLE DIAMETER0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
MATERIALALUMINUM ALLOY OVERALL
ATTACHMENT METHODROUND HOLE
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 18268?
18268 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What is the NSN for 18268?
18268 is cataloged in the U.S. Government catalog under NSN 5330-00-037-7670. 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.