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801209-1 — REGULATOR,VOLTAGE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

801209-1: REGULATOR,VOLTAGE.

The REGULATOR,VOLTAGE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: HEXAGON, nut_height: 0.140 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNS, special_markings: ENGINE OIL 12 U S GALLONS CLOSE OPEN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-400-3971, 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
801209-1
NSN: 5310-00-400-3971
NIINs: 004003971, 008635251, 012457443
FSC: 5310 — Nuts and Washers
CAGE: 70210 — HONEYWELL INTERNATIONAL INC. DIV AEROSPACE - TORRANCE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_styleHEXAGON
nut_height0.140 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNS
special_markingsENGINE OIL 12 U S GALLONS CLOSE OPEN
thread_directionRIGHT-HAND
countersink_angle80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM NUT
enclosure_featureOPEN
regulation_methodELECTRONIC
surface_treatmentPASSIVATE OVERALL
accommodation_typeHANDLE END GRIPPING
NSN5310-00-400-3971
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 801209-1 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
WIDTH ACROSS FLATS: 0.610 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
•
BEARING SURFACE FINISH: 125.0 MICROINCHES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNS
•
HOLE CONFIGURATION STYLE: CONFIGURATION B
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MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.610 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
BEARING SURFACE FINISH125.0 MICROINCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNS
HOLE CONFIGURATION STYLECONFIGURATION B
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
NUT HEIGHT0.140 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
DRILLED HOLE DIAMETER0.045 INCHES NOMINAL IN
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 801209-1?
801209-1 is a REGULATOR,VOLTAGE.
What is the NSN for 801209-1?
801209-1 is cataloged in the U.S. Government catalog under NSN 5310-00-400-3971. This indicates validated use in U.S. government and defense supply chains.
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