PartsTable
Technical Data Sheet
PartsTable / MRO / 121-9-7
121-9-7 ✓ Verified by PartsTable
Jumbo · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

Metered rPDUs deliver reliable power to critical IT equipment within a rack or cabinet. Includes a local LED display to view real-time power data.<br>. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-078-0232, 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→ 121-9-7
NSN: 5305-00-078-0232
FSC: 5305
CAGE: 98810 — AEROSONIC LLC (USA)
SPECIFICATIONS
Part Number121-9-7
ManufacturerJumbo
NSN5305-00-078-0232
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 121-9-7 · Jumbo ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FASTENER LENGTH: 0.236 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE
•
INTERNAL DRIVE STYLE: SLOT
•
HEAD DIAMETER: 0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: COPPER ALLOY
•
THREAD QUANTITY PER INCH: 64
•
NOMINAL THREAD DIAMETER: 0.086 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH0.236 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE
INTERNAL DRIVE STYLESLOT
HEAD DIAMETER0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALCOPPER ALLOY
THREAD QUANTITY PER INCH64
NOMINAL THREAD DIAMETER0.086 INCHES IN
HEAD HEIGHT0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
HEAD STYLEFILLISTER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
539JInterchangeable
interchangeable cross-reference
interchangeable
FC1242Interchangeable
interchangeable cross-reference
interchangeable
12197Interchangeable
interchangeable cross-reference
interchangeable
TT-P-59Interchangeable
interchangeable cross-reference
interchangeable
CS31T1C1DInterchangeable
interchangeable cross-reference
interchangeable
1131510G4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121-9-7?
121-9-7 is a TRANSFORMER,AUDIO FREQUENCY manufactured by Jumbo. It is classified as a MRO (MRO_GENERAL).
What parts can replace 121-9-7?
There are 14 known substitutes for 121-9-7: 539J, FC1242, 12197 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 121-9-7?
121-9-7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-078-0232. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026