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74500-21 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

74500-21: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include overall_width: 2.910 INCHES NOMINAL IN, overall_length: 6.180 INCHES NOMINAL IN, special_features: THREAD TYPE IS UNF;THREAD SIZE IS 0.750 INCH (NOM);THREADS PER INCH IS 16;THREAD CLASS IS 2B IN, mounting_hole_type: THREADED, mounting_hole_diameter: 0.750 INCHES NOMINAL IN, end_item_identification: FILTER/REGU. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-685-4663, 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
74500-21
NSN: 5340-01-685-4663
FSC: 5340 — Hardware, Commercial
CAGE: 43990 — NORGREN C A CO (USA)
SPECIFICATIONS
overall_width2.910 INCHES NOMINAL IN
overall_length6.180 INCHES NOMINAL IN
special_featuresTHREAD TYPE IS UNF;THREAD SIZE IS 0.750 INCH (NOM);THREADS PER INCH IS 16;THREAD CLASS IS 2B IN
mounting_hole_typeTHREADED
mounting_hole_diameter0.750 INCHES NOMINAL IN
mounting_hole_quantity2
end_item_identificationFILTER/REGU
part_name_assigned_by_controlling_agencySINGLE YOKE ASSEMBLY
NSN5340-01-685-4663
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 74500-21 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
•
MOUNTING HOLE QUANTITY: 2
•
MOUNTING HOLE DIAMETER: 0.750 INCHES NOMINAL IN
•
MOUNTING HOLE TYPE: THREADED
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY2
MOUNTING HOLE DIAMETER0.750 INCHES NOMINAL IN
OVERALL LENGTH6.180 INCHES NOMINAL IN
OVERALL WIDTH2.910 INCHES NOMINAL IN
SPECIAL FEATURESTHREAD TYPE IS UNF;THREAD SIZE IS 0.750 INCH (NOM);THREADS PER INCH IS 16;THREAD CLASS IS 2B IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSINGLE YOKE ASSEMBLY
END ITEM IDENTIFICATIONFILTER/REGU
MOUNTING HOLE TYPETHREADED
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
Y64A-6AA-N1NSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 74500-21?
74500-21 is a BRACKET,MOUNTING.
What parts can replace 74500-21?
There is 1 known substitute for 74500-21: Y64A-6AA-N1N. Substitute compatibility should be verified for your specific system.
What is the NSN for 74500-21?
74500-21 is cataloged in the U.S. Government catalog under NSN 5340-01-685-4663. This indicates validated use in U.S. government and defense supply chains.
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