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3845 — FILTER,RADIO FREQUENCY INTERFERE

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

3845: FILTER,RADIO FREQUENCY INTERFERE.

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include key_type: PUSH BUTTON, key_quantity: 12, overall_width: 4.0 INCHES NOMINAL IN, overall_length: 3.0 INCHES NOMINAL IN, special_features: KEYS ARE CONNECTED INTO A MATRIX, SO YOU ONLY NEED 7 MICROCONTROLLER PINS TO SCAN THROUGH THE PAD, part_name_assigned_by_controlling_agency: 3 X 4 MATRIX KEYPAD. This part is cataloged in the U.S.

Government catalog under NSN 4710-00-133-3249, 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→ 3845
NSN: 4710-00-133-3249
NIINs: 001333249, 001448622, 002042470, 003161413, 003214944, 005579862, 006172084, 010492741, 012169541, 012485021, 013471580, 014382531, 015349329, 015523552, 015627848, 016964030
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 92354 — EATON METAL PRODUCTS COMPANY LLC (USA)
SPECIFICATIONS
key_typePUSH BUTTON
key_quantity12
overall_width4.0 INCHES NOMINAL IN
overall_length3.0 INCHES NOMINAL IN
special_featuresKEYS ARE CONNECTED INTO A MATRIX, SO YOU ONLY NEED 7 MICROCONTROLLER PINS TO SCAN THROUGH THE PAD
part_name_assigned_by_controlling_agency3 X 4 MATRIX KEYPAD
NSN4710-00-133-3249
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 3845 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
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DESIGN FORM: PREBENT
TECHNICAL CHARACTERISTICS
DESIGN FORMPREBENT
END ITEM IDENTIFICATIONTRUCO SAFETY HYDRAULIC CABLE REEL CARRIER,MODEL TCR-T
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3845?
3845 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 3845?
3845 is cataloged in the U.S. Government catalog under NSN 4710-00-133-3249. 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.