PartsTable
Technical Data Sheet
PartsTable / MRO / 26-191
26-191 ✓ Verified by PartsTable
Clementoni · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: STEEL CASE, body_style: HOLE MOUNT, case_style: SQUARE, face_shape: FLAT, seal_width: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN, shell_type: SOLID. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-297-0503, 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
MRO→ MRO_GENERAL→ 26-191
NSN: 5325-00-297-0503
FSC: 5325
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL CASE
body_styleHOLE MOUNT
case_styleSQUARE
face_shapeFLAT
seal_width0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
shell_typeSOLID
action_typeSPRING
design_typePREFORMED, SINGLE BEND, NONCONVERTIBLE VALVE
temp_rating-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
groove_width0.062 INCHES NOMINAL IN
thread_class2A A
usage_designTUBELESS TIRE
NSN5325-00-297-0503
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 26-191 · Clementoni ⚠ 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
•
FEATURES PROVIDED: COOLANT RESISTANT AND OIL RESISTANT
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
GROOVE WIDTH: 0.062 INCHES NOMINAL IN
•
NONMETALLIC HARDNESS RATING: 55.0 MINIMUM SHORE DUROMETER A AND 65.0 MAXIMUM SHORE DUROMETER A
•
LARGE FLANGE OUTSIDE DIAMETER: 1.312 INCHES NOMINAL IN
•
GROMMET CONSTRUCTION TYPE: SOLID
•
GROMMET STYLE: ROUND
•
GROOVE OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDCOOLANT RESISTANT AND OIL RESISTANT
MATERIALRUBBER SYNTHETIC OVERALL
GROOVE WIDTH0.062 INCHES NOMINAL IN
NONMETALLIC HARDNESS RATING55.0 MINIMUM SHORE DUROMETER A AND 65.0 MAXIMUM SHORE DUROMETER A
LARGE FLANGE OUTSIDE DIAMETER1.312 INCHES NOMINAL IN
GROMMET CONSTRUCTION TYPESOLID
GROMMET STYLEROUND
GROOVE OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
HOLE DIAMETER0.687 INCHES NOMINAL IN
FLANGE THICKNESS0.157 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
238-24Interchangeable
interchangeable cross-reference
interchangeable
26191Interchangeable
interchangeable cross-reference
interchangeable
65055Interchangeable
interchangeable cross-reference
interchangeable
VS-977-J650-03Interchangeable
interchangeable cross-reference
interchangeable
7-926-000196Interchangeable
interchangeable cross-reference
interchangeable
650Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 26-191?
26-191 is a CONNECTOR,RECEPTACLE,ELECTRICAL manufactured by Clementoni. It is classified as a MRO (MRO_GENERAL).
What parts can replace 26-191?
There are 17 known substitutes for 26-191: 238-24, 26191, 65055 and 14 more. Substitute compatibility should be verified for your specific system.
Is 26-191 still available?
26-191 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026