NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5310 › 5310-01-155-4373
Self-Locking Round Nut P/N S-20255
In stock — 8 on our U.S. shelfNSN 5310-01-155-4373 5310011554373 NIIN 011554373
SECO Parts has 8 in stock of NSN 5310-01-155-4373 — Self-Locking Round Nut — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Government catalog (FEDLOG) price: $145.69 per each — a public reference, not our price. We quote each request, usually the same business day, and surplus parts often quote below or above it.
One part, one step — answered within one business day. Several parts? and send them together.
- Ships in 1–3 business days from Augusta, GA
- Certificate of Conformance on request
- PO, GPC & major cards
- $50 minimum order — smaller requests still get a quote
- 30-day returns · terms
- FLIS item name
- NUT,SELF-LOCKING,ROUND
- SECO description
- NUT
- Federal supply class
- FSC 5310 — Nuts and Washers
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 8 |
| Total | 8 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5310-01-155-4373 011554373 S-20255 11745836
Get a quote
Build a list across as many parts as you need, send it once, get one quote back — answered within one business day, usually the same day. POs and GPC welcome. $50 minimum order.
More to tell us? Need-by date, ship-to, your own RFQ document
Specifications
- Thread pitch diameters
- Inches 1.3399 to 1.3439
- Thread direction
- Right-Hand
- Locking feature
- Prevailing Torque with Nonmetallic Insert
- Drive point depth
- 0.094 in (nominal)
- Nut diameter
- 2.057 in (nominal)
- Nut thickness
- 0.438 in (nominal)
- Drive point width
- 0.188 in (nominal)
- Drive point quantity
- 4
- Temp rating
- Fahrenheit Minimum -60.0 and Fahrenheit Maximum 250.0
- Thread series
- Uns
- Thread quantity per inch
- 18
- Hardness rating
- Rockwell B Minimum 66.0 and Rockwell B Maximum 92.0
- Nominal thread size
- Inches 1.376
- Countersink angle
- Both Ends Degrees Minimum 90.0 and Degrees Maximum 120.0
- Material
- Nut Steel Comp 1015 or Steel Comp 1016 or Steel Comp 1017 or Steel Comp 1018 or Steel Comp 1019 or Steel Comp 1020 or Steel Comp 1021 or Steel Comp 1022 or Steel Comp 1023 or Steel Comp 1025 or Steel Comp 1026 or Steel Comp 1029 or Steel Comp 1030 or Steel Comp 1031 or Steel Comp 1033 or Steel Comp 1034 or Steel Comp 1035 or Steel Comp 1116 or Steel Comp 1117 or Steel Comp 1118 or Steel Comp 1212 or Steel Comp 1213 or Steel Comp 1215
- Material
- Locking Insert Plastic Polyamide Nylon
- Surface treatment
- Nut Cadmium and Chromate and Passivate
- Surface treatment document and classification
- Nut Fed Spec 1ST Treatment Response QQ--416,TY 2,CL 2 or Fed Spec 2ND Treatment Response QQ--35
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
S-20255 11745836
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Source of supply | SMS DLA Land and Maritime, Columbus, Ohio |
| Acquisition advice code | J Not stocked, centrally procured — the government does not stock this item; it is procured only when a requisition arrives. SECO has 8 on the shelf |
| Unit of issue | EA each |
| Demilitarization code | A Demilitarization not required — non-munitions-list item |
| Controlled inventory code | U Unclassified |
| Hazardous material indicator | N No hazardous material |
Source: public FLIS/PUB LOG cataloging data.
Why buy from SECO
These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.
In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered
FAQ
What is NSN 5310-01-155-4373?
NSN 5310-01-155-4373 (5310011554373) — Self-Locking Round Nut: SECO Parts has 8 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for self-locking round nut in federal supply class 5310 (Nuts and Washers).
Is NSN 5310-01-155-4373 available?
SECO Parts has 8 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5310-01-155-4373 cost?
The government catalog (FEDLOG) lists NSN 5310-01-155-4373 at $145.69 per each. That is a public reference, not SECO's price: SECO quotes each request, usually the same business day, and surplus parts often quote below or above it.
What part numbers cross-reference to NSN 5310-01-155-4373?
Part numbers that cross-reference this NSN include S-20255, 11745836. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names NUT,SELF-LOCKING,ROUND. Same name is not the same part: check the part numbers.