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503233 — GUARD,FAN IMPELLER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

503233: GUARD,FAN IMPELLER.

The GUARD,FAN IMPELLER is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include end_item_identification: 4140-00-255-7801. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-691-0169, 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
503233
NSN: 5340-00-691-0169
NIINs: 006910169, 011128146
FSC: 5340 — Hardware, Commercial
CAGE: 27068 — DCP SPRING ACQUISITION COMPANY, INC. DBA NEW ENGLAND SPRING DIV NEW ENGLAND SPRING (USA)
SPECIFICATIONS
end_item_identification4140-00-255-7801
NSN5340-00-691-0169
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 503233 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
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SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH: 0.250 INCHES NOMINAL IN
•
FIRST LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH: 0.250 INCHES NOMINAL IN
•
FIRST LEG HOLE DIAMETER: 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
•
FIRST LEG ANGLE: 102.0 DEGREES NOMINAL
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SECOND LEG RELATIONSHIP TO FIRST LEG: NOT IDENTICAL
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SECOND LEG HOLE DIAMETER: 0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN
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SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE
•
SECOND LEG WIDTH: 0.500 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH0.250 INCHES NOMINAL IN
FIRST LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH0.250 INCHES NOMINAL IN
FIRST LEG HOLE DIAMETER0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
FIRST LEG ANGLE102.0 DEGREES NOMINAL
SECOND LEG RELATIONSHIP TO FIRST LEGNOT IDENTICAL
SECOND LEG HOLE DIAMETER0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE
SECOND LEG WIDTH0.500 INCHES NOMINAL IN
SECOND LEG LENGTH2.215 INCHES NOMINAL IN
FIRST LEG HOLE ARRANGEMENT STYLEONE HOLE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 503233?
503233 is a GUARD,FAN IMPELLER.
What is the NSN for 503233?
503233 is cataloged in the U.S. Government catalog under NSN 5340-00-691-0169. This indicates validated use in U.S. government and defense supply chains.
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