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RL221-1 — PIN,QUICK RELEASE

✓ Government record, cited
ACT · NUT WASHER
PRODUCT OVERVIEW

RL221-1: PIN,QUICK RELEASE.

ACT pre-terminated cables are ready-to-use fiber optic installation cables with attached connectors. Pre-terminated fiber optic cables are used to connect different rooms, floors or buildings. The advantage of using pre-terminated cables is that no investment is needed in tools or test equipment, since the connectors are pre-set and each pre-terminated cable is individually tested after production and provided with a test report.

With ACT pre-terminated cables you can easily install a fiber optic cable without the use of tools. Ideal for the system integrator, installer or network administrator who wants to build a high quality and reliable network. ACT pre-terminated cables can be used both indoors and outdoors and are suitable for horizontal and vertical use.

This means that ACT pre-terminated cables are suitable for several This part is cataloged in the U.S. Government catalog under NSN 5315-01-570-1544, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
RL221-1
NSN: 5315-01-570-1544
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 0L1E5 — LOCKHEED MARTIN CORPORATION (USA)
SPECIFICATIONS
end_item_identificationU-2
NSN5315-01-570-1544
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: RL221-1 · ACT ⚠ 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONU-2
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RL221-1?
RL221-1 is a PIN,QUICK RELEASE manufactured by ACT.
What is the NSN for RL221-1?
RL221-1 is cataloged in the U.S. Government catalog under NSN 5315-01-570-1544. 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.