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5257-38 — SEMICONDUCTOR DEVICE,DIODE

✓ Government record, cited
— · SFP TRANSCEIVER
PRODUCT OVERVIEW

5257-38: SEMICONDUCTOR DEVICE,DIODE.

The SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, thread_class: 2B ALL ENDS, connection_type: THREADED INTERNAL BOSS ALL ENDS, connection_style: GASKET SEAL(BOSS) ALL ENDS, special_features: GRUMMAN,A10 AIRCRAFT, style_designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.. This part is cataloged in the U.S.

Government catalog under NSN 5961-00-686-7048, 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
5257-38
NSN: 5961-00-686-7048
NIINs: 006867048, 008023033
FSC: 5961 — Semiconductor Devices and Associated Hardware
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
thread_class2B ALL ENDS
connection_typeTHREADED INTERNAL BOSS ALL ENDS
connection_styleGASKET SEAL(BOSS) ALL ENDS
special_featuresGRUMMAN,A10 AIRCRAFT
style_designatorSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
thread_directionRIGHT-HAND ALL ENDS
features_providedHERMETICALLY SEALED CASE
operating_pressure3500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceDISK
nominal_thread_size0.437 INCHES ALL ENDS IN
NSN5961-00-686-7048
COMPONENT DIAGRAM
BAIL LATCH 10G SFP+ 850nm · SR (MMF, 300m) DOM: Digital Optical Monitoring TX RX LC DUPLEX 20-PIN EDGE CONNECTOR ~56.5 mm ~13.4mm SFP+ TRANSCEIVER | 10G | 850nm | SR (MMF, 300m) Hot-swappable | LC duplex fiber | DDM/DOM supported TITLE SFP+ XCVR PN 5257-38 MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
NONDEFINITIVE SPEC/STD DATA: 1N1221 TYPE
•
MATERIAL: SILICON SEMICONDUCTOR
•
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
TECHNICAL CHARACTERISTICS
FEATURES PROVIDEDHERMETICALLY SEALED CASE
NONDEFINITIVE SPEC/STD DATA1N1221 TYPE
MATERIALSILICON SEMICONDUCTOR
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
SUBSTITUTES & CROSS-REFERENCES 1
1N1221Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5257-38?
5257-38 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 5257-38?
There is 1 known substitute for 5257-38: 1N1221. Substitute compatibility should be verified for your specific system.
What is the NSN for 5257-38?
5257-38 is cataloged in the U.S. Government catalog under NSN 5961-00-686-7048. 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.